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108 results for “percussion”
"Faraó, Divinidade do Egíto" percussion break played by Olodum
<p>Sunday, January 22, 2024 at Large Quincas d'Água in Pelourinho, Salvador, Bahia, Brazil. Ensemble led by Mestre Bartolomeu Nunes Pereira. </p>
Axé Pelo percussion break played by Olodum
<p>Led by Master Bartolomeu Nunes Pereira, Olodum played this break on Sunday, January 22, 2023 at the Largo Quincas Berro d'Água in Pelourinho, Salvador, Bahia, Brazil. The combination of breaks makes several rhythmic references, including standard rhythms in other blocos like Ilê Aiyê and famous Carnival band Timbalada. </p>
Ilê Aiyê Rehearsal for a percussion break in the Senzala do Barro Preto on January 5, 2023.
<p>Led by Ilê Aiyê Master drummer Kehindê Boa Morte, this video briefly features him teaching a new percussion break to Ilê Aiyê percussionists. </p>
Text-fig. 17. Percussion marks on the diaphysis of humerus 98-594-A-Předm, for the metrics of this bone see Table 12. in Consumption Of Canid Meat At The Gravettian Předmostí Site, The Czech Republic
Text-fig. 17. Percussion marks on the diaphysis of humerus 98-594-A-Předm, for the metrics of this bone see Table 12.
Vocal imitation of percussion sounds: on the perceptual similarity between imitations and imitated sounds
<p>Dataset of the drum sounds and vocal imitations used in the listening study. There are 30 drum sounds, indexed 0-29. The imitations are indexed by imitator (0-13), with imitations of each drum sound in the respective directories. Included is a csv file containing the participant responses from the listening test.</p> <p>NOTE: The BFD drum samples have been made available with the permission of FXpansion Audio UK. Permission is granted for their use in further academic research. Contact SKoT McDonald <skot@fxpansion.com> for further information."</p> <p> </p> <p> </p>
Percussion-cap pistol
ID no.: MCh-H/273 Museum: Irena and Mieczysław Mazaraki Museum in Chrzanów https://muzea.malopolska.pl/pl/lista-obiektow/500 Digitalisation: RDW MIC, Małopolska's Virtual Museums project Source: Objaverse 1.0 / Sketchfab
A pair of percussion-cap pistols
A pair of percussion-cap pistols in a case belonging to Gen. Józef Chłopicki ID no.: MNK V-2883/1-9 Museum: The National Museum in Kraków https://muzea.malopolska.pl/en/objects-list/2492 Digitalisation: Digitalisation: RDW MIC, Virtual Małopolska project Source: Objaverse 1.0 / Sketchfab
FIG. 2 in L'outillage façonné utilisé en percussion lancée du site paléolithique moyen du Bois de l'Hôpital (Saint-Sulpice-la-Pointe, Tarn)
FIG. 2. — Schéma des critères de description des écailles utilisées.Infographie: C. Viallet.
"Minha Origem" Percussion break at Ilê Aiyê's Beleza Negra, January 28, 2023. Senzala do Barro Preto. Salvador, Brazil.
<p>The short clip shows the percussion break that took place during "Minha Origem" as performed by Ilê Aiyê's annual Beleza Negra on January 28, 2023. Video by author, Cody Case, with permission from Ilê Aiyê who possesses all videos. This fieldwork footage was funded by a Fulbright-Hays DDRA fellowship and received IRB and Brazil Ethics committee approval to record videos of public performances, including bloco authorization provided by founder and president Antônio Carlos dos Santos for research purposes. </p>
Xenakis_dataset_PoD: Dataset containing results from the research project Points of Discontinuity concerning Iannis Xenakis, Pithoprakta for two trombones, percussion, and strings (1955–56)
<p>The complete datasets resulting from the research project <em>Points of Discontinuity</em> contain 23 datasets for the musical works or excerpts that were part of the online listening experiment, with each dataset containing seven or eight files (all audio files are stored in a dataset with restricted access), as well as a dataset (PoD_general_dataset) with five additional files.</p> <p>This dataset<strong> Xenakis_dataset_PoD </strong>contains eight files:</p> <ul> <li>Xenakis_01_ReadMe.pdf</li> <li>Xenakis_02_data.xlsx (processed data for this work)</li> <li>Xenakis_03_individual_data.xlsx (raw data for each participant obtained from the experiment)</li> <li>Xenakis_04_audio.mp3 <strong>[non-public] </strong>(audio recording used in the experiment) [stored in the restricted dataset <a href="https://doi.org/10.5281/zenodo.13981214" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.13981214</a>]</li> <li>Xenakis_05_model_results.sv (graphical representation of results and the model in Sonic Visualiser) [requires audio file Xenakis_04_audio.mp3 to display correctly]</li> <li>Xenakis_06_SV-data_model+results.zip (text files with the marker locations for all layers in Sonic Visualiser)</li> <li>Xenakis_07_model+results_SV-screenshot.pdf (a screenshot of the full-screen display of the SV-file)</li> <li>Xenakis_08_annotated_score.pdf (model analysis annotated in the score)</li> </ul>
Varèse_dataset_PoD: Dataset containing results from the research project Points of Discontinuity concerning Edgard Varèse, Ionisation for percussion ensemble of 13 players (1931), excerpt
<p>The complete datasets resulting from the research project <em>Points of Discontinuity</em> contain 23 datasets for the musical works or excerpts that were part of the online listening experiment, with each dataset containing seven or eight files (all audio files are stored in a dataset with restricted access), as well as a dataset (PoD_general_dataset) with five additional files.</p> <p>This dataset<strong> Varese_dataset_PoD </strong>contains eight files:</p> <ul> <li>Varese_01_ReadMe.pdf</li> <li>Varese_02_data.xlsx (processed data for this excerpt)</li> <li>Varese_03_individual_data.xlsx (raw data for each participant obtained from the experiment)</li> <li>Varese_04_audio.mp3 <strong>[non-public] </strong>(audio recording used in the experiment) [stored in the restricted dataset <a href="https://doi.org/10.5281/zenodo.13981214" target="_blank" rel="noopener">https://doi.org/10.5281/zenodo.13981214</a>]</li> <li>Varese_05_model_results.sv (graphical representation of results and the model in Sonic Visualiser) [requires audio file Varese_04_audio.mp3 to display correctly]</li> <li>Varese_06_SV-data_model+results.zip (text files with the marker locations for all layers in Sonic Visualiser)</li> <li>Varese_07_model+results_SV-screenshot.pdf (a screenshot of the full-screen display of the SV-file)</li> <li>Varese_08_annotated_score.pdf (model analysis annotated in the score)</li> </ul>
AVP-LVT Vocal Percussion Dataset
<p>The <strong>AVP-LVT dataset</strong> contains vocal percussion utterances from two publicly available datasets: the personal subset of the <a href="https://dl.acm.org/doi/abs/10.1145/3356590.3356844">Amateur Vocal Percussion (AVP) dataset</a> and the third subset of the <a href="https://repositorio-aberto.up.pt/handle/10216/105309">Live Vocalised Transcription (LVT) dataset</a>. They contain vocal percussion sounds from a total of 48 participants with little or no experience in beatboxing.</p> <p>The <strong>AVP dataset</strong> contains a total of 4873 vocal percussion sound events recorded by 28 participants and with four annotated labels: kick drum, snare drum, closed hi-hat, and opened hi-hat. For each participant, four files contain repetitions of vocal percussion sounds of the same class and one file corresponds to a freestyle improvisation with these. The <strong>LVT dataset</strong> contains a total of 841 vocal percussion sound events recorded by 20 participants with three annotated labels: kick drum, snare drum, and closed hi-hat. For each participant, one file contains a predictable beatbox-style phrase repeated four times and another file contained a freestyle improvisation with the sounds used in the phrase file.</p> <p>This dataset expands the original annotations of both datasets (onsets and instrument labels) so as to include <em>syllabic annotations</em> of vocal percussion sounds. These annotations are composed of a first <em>onset phoneme</em>, usually plosive or fricative, and a second <em>coda phoeneme</em>, usually a vowel, a breath sound ("h"), or silence ("x"). These phonemes were annotated following notation conventions from the International Phonetic Alphabet (IPA).</p> <p>The files included here are the recordings and the annotations of the AVP dataset and the annotations of the LVT dataset. To incorporate the audio files from the LVT dataset, please follow the steps outlined in the file entitled "Instructions_to_build_AVP-LVT_Dataset.rtf". This file also contains information about the train-evaluation split for research purposes.</p>
A rapidly evolving cricket produces percussive vibrations: how, who, when, and why
<p>Sexual signals are often transmitted through multiple modalities (e.g., visual and chemical), and under selection from both intended and unintended receivers. A nuanced understanding of sexual signal evolution is important since they play a critical role in diversification. We recently documented percussive substrate-borne vibrations in the Pacific field cricket (<em>Teleogryllus oceanicus</em>), a species that uses airborne acoustic and chemical signals to attract and secure mates. The airborne signals of Hawaiian <em>T. oceanicus</em> are currently undergoing rapid evolution; at least five novel male morphs have arisen in the past 20 years. Nothing is yet known about the newly discovered percussive substrate-borne vibrations, so we ask 'how' they are produced, 'who' produces them (e.g., population, morph), 'when' they produce them (e.g., whether they are plastic), and 'why' (e.g., do they play a role in mating). We show that the vibrations are produced exclusively by males and during courtship via foreleg drumming. One novel morph, purring, produces quieter airborne songs and is more likely to drum than the ancestral morph. However, drumming behavior is also contextually plastic for some males; when we removed the ability of males to produce airborne song, ancestral males became more likely to drum, whereas two novel morphs were equally likely to drum regardless of their ability to produce song. Opposite our prediction, females were less likely to mate with males who drummed. We discuss why that might be and describe what we can learn about complex signal evolution from this newly discovered behavior.</p>
A rapidly evolving cricket produces percussive vibrations: how, who, when, and why
Open the record for dataset details and reuse information.
Drum and Percussion Kits
<p><a href="https://zenodo.org/api/files/3c4d3735-a4fc-44cc-b3c1-7869c4010db8/freeDB.tar?versionId=0652ae7d-bdad-441c-aeb7-1b55c1b89ade">freeDB.tar</a> is a dataset of free drum sounds used in the <a href="https://github.com/imilas/Synths_Stacks_Search/">Synths Stacks Search</a> project. Majority of samples are filtered from the datasets of free sounds in the <a href="https://sampleswap.org/">sample swap</a> project. We provide some unfiltered drum data as well.</p> <p><a href="https://zenodo.org/api/files/3c4d3735-a4fc-44cc-b3c1-7869c4010db8/sample_swap_kits.tar?versionId=5b35b515-95c0-4d5a-b85f-18195da078f9">sample_swap_kits.tar:</a> Contains a variety of drum kits.</p> <p><a href="https://zenodo.org/api/files/3c4d3735-a4fc-44cc-b3c1-7869c4010db8/organic_oneshots.tar?versionId=165ae342-0c53-4942-b5cf-ceec068877f0">organic_oneshots.tar: </a>Contains a variety of oneshot samples.</p> <p><a href="https://zenodo.org/api/files/3c4d3735-a4fc-44cc-b3c1-7869c4010db8/generated_sounds.tar?versionId=07a10688-9a31-4795-814e-6dae0b622c62">generated_sounds.tar</a> Includes 850+ samples generated by our system.</p> <p><strong>If you find this database useful, consider supporting the <a href="https://sampleswap.org/">sample swap</a> project.</strong></p> <p> </p>
Data from quantitative real-time PCR of corticotropin-releasing hormone and glucocorticoid receptor in the hippocampus and hypothalamus of rats subjected to midline fluid percussion injury or control sham surgery.
<p>These files contain all data from quantitative real-time PCR of corticotropin-releasing hormone (CRH) and glucocorticoid receptor (GR) measured in the hippocampus and hypothalamus of male and female rats. Rats were randomly assigned to a treatment group before the initiation of the study. Rats received a control sham surgery or were subjected to midline fluid percussion injury to induce a diffuse traumatic brain injury. Tissue biopsies were collected at 7 days post-injury and analyzed via quantitative real-time PCR. </p> <p> </p>
A systematic review on the effects of high frequency chest wall compression and intrapulmonary percussive ventilation in patients with neuromuscular disease
<p><span><span><span><span><strong>Background: </strong>Patients with neuromuscular disease develop progressively inspiratory and expiratory muscle weakness and can also present impaired glottic function. Airway obstruction is the result of secretion retention and it is known that respiratory insufficiency is the most common cause of death in this population. Therefore, it is important to main clear airways. At some point, the active participation of the patient is not possible due to muscle weakness and other options must be explored. High-frequency chest wall compression and intrapulmonary percussive ventilation are two interventions that do not require the active participation of patients.</span></span></span></span></p> <p><span><span><span><span><strong>Objective: </strong>We performed a systematic review on the effects of high-frequency chest wall compression and intrapulmonary percussive ventilation in patients with neuromuscular disease</span></span></span></span></p> <p><span><span><span><span><strong>Method: </strong>Our systematic review followed the recommendation of the PRISMA statement. We performed our research strategy on PubMed, CINHAL, Pedro, Cochrane, and EMBASE. The word combination was initially performed on PubMed and then adapted to the other databases. </span></span></span></span><span><span><span><span>In our systematic review, we also assessed the risk of bias in the included studies. We used the risk of bias tool version 2.0 tools (9 October 2018 version). </span></span></span></span></p> <p><span><span><span><span><strong>Result: </strong>The </span></span></span></span><span><span><span><span>PRISMA checklist was complete to enable control that all points of the checklist are reported in the paper and in which section and page the information can be found (see document Prisma checklist). </span></span></span></span><span><span><span><span>We found 161 records on PubMed, 229 on EMBASE, 118 on Cochrane, 312 on Pedro, and 760 CINAHL. More information can be found in the document called "Extended data File 1" of the research strategy of all databases. </span></span></span></span><span><span><span><span>Regarding the risk of bias, we concluded that all included studies had a high risk of bias (see more detail for each point the extended data file 2).</span></span></span></span></p> <p><span><span><span><span><strong>Conclusion: </strong></span></span></span></span><span><span><span><span>We make available our research strategy to enable other researchers to reproduce the research strategy to update the systematic review. Moreover, we make available our analysis of the risk of bias to be transparent.</span></span></span></span></p>
Video figure: Exploring percussive gesture on iPads with Ensemble Metatone
<p>This video figure shows Ensemble Metatone, a group of percussionist, exploring the possibilities of ensemble performance with two iPad apps, MetaTravels and MetaLonsdale. This process of rehearsal as research was subjected to qualitative analysis to characterise the performers touch gestures and ensemble interactions.</p> <p>The abstract for the paper that accompanied this video is below:</p> <p>Percussionists are unique among western classical instrumentalists in that their artistic practice is defined by an approach to interaction rather than their instruments. While percussionists are accustomed to exploring non-traditional objects to create music, these objects have yet to encompass touch-screen computing devices to any great extent. The proliferation and popularity of these devices now presents an opportunity to explore their use in combining computer-generated sound together with percussive interaction in a musical ensemble.</p> <p>This paper examines Ensemble Metatone, a group formed to explore the "infiltration" of iPad-based musical instruments into a free-improvisation percussion ensemble. We discuss the design approach for two different iPad percussion instruments and the methodology for exploring them with the group over a series of rehearsals and performances. Qualitative analysis of discussions throughout this process shows that the musicians developed a vocabulary of gestures and musical interactions to make musical sense of these new instruments.</p>
Percussion test: description and diagnostic accuracy of a new manual test for bone marrow edema of the knee - RAW DATASET
<p>Background</p> <p>Prompt diagnosis of bone marrow lesion (BML) is difficult but critical for correct treatment. Magnetic resonance imaging is the gold standard, although expensive and time consuming. Simple and reliable clinical test for BML detection is lacking. Aim of the study is to describe a new manual clinical test called Percussion Test (PT) and to statistically determine its diagnostic accuracy in BML, compared to MRI imaging.</p> <p>Methods</p> <p>After evaluation of the inclusion and exclusion criteria, 218 consecutive patients with unilateral knee pain and age comprised between 18 and 80 years old were enrolled in our observational prospective study. Informed consent was obtained for each patient. After medical history collection, PT was performed by a single operator as described. MRI was performed in the affected knee to detect the presence of BML. Coherence in PT and MRI assessment was evaluated in each quadrant of the knee via contingency tables, as sensitivity, specificity, NPV, PPV and diagnostic accuracy were calculated.</p> <p>Results</p> <p>No correlation with a positive PT was demonstrated for the covariables gender (<em>p</em> =&thinsp;0.156), age (<em>p</em> =&thinsp;0.272) and BMI (<em>p</em> =&thinsp;0.639).</p> <p>PT showed a sensitivity ranging from 60.6 (40.6–80.6) to 79.5 (63.0–96.0) and a specificity ranging from 85.7 (80.0–91.5) to 96.0 (93.1–98.9) depending on knee quadrant. Diagnostic accuracy ranged from 81.6 (75.9–86.6) to 89.4 (84.6–93.2), and <em>p</em>-value was < 0.00001 in a chi-squared analysis for all quadrants.</p> <p>Conclusions</p> <p>PT showed sensitivity and specificity values that are comparable with other clinical tests routinely adopted in clinical practice. In the absence of other reliable clinical test, PT has the potential to become a useful bedside tool in the diagnosis and management of BMLs.</p>
"Que Bloco é Esse?" percussion break at Ilê Aiyê Beleza Negra, January 28, 2023. Senzala do Barro Preto. Salvador, Brazil.
<p>The clip shows the percussion break and rhythms from "Que Bloco é Esse?" as performed by Banda Aiyê in the annual Beleza Negra on January 28, 2023, led by Mestre Mário Pam. Video by author, Cody Case, with permission from Ilê Aiyê who possesses all videos. This fieldwork footage was funded by a Fulbright-Hays DDRA fellowship and received IRB and Brazil Ethics committee approval to record videos of public performances, including bloco authorization provided by founder and president Antônio Carlos dos Santos for research purposes. </p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
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DANDI Archive for NWB datasets
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International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.