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The Freesound Loop Dataset and Annotation Tool

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Document pages: 8 pages

Abstract: Music loops are essential ingredients in electronic music production, andthere is a high demand for pre-recorded loops in a variety of styles. Severalcommercial and community databases have been created to meet this demand, butmost are not suitable for research due to their strict licensing. We presentthe Freesound Loop Dataset (FSLD), a new large-scale dataset of music loopsannotated by experts. The loops originate from Freesound, a community databaseof audio recordings released under Creative Commons licenses, so the audio inour dataset may be redistributed. The annotations include instrument, tempo,meter, key and genre tags. We describe the methodology used to assemble andannotate the data, and report on the distribution of tags in the data andinter-annotator agreement. We also present to the community an online loopannotator tool that we developed. To illustrate the usefulness of FSLD, wepresent short case studies on using it to estimate tempo and key, generatemusic tracks, and evaluate a loop separation algorithm. We anticipate that thecommunity will find yet more uses for the data, in applications from automaticloop characterisation to algorithmic composition.

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