task_categories:other language:und license:cc-by-nc-4.0 size_categories:n<1K format:audiofolder modality:audio library:datasets library:mlcroissant region:us audio music dataset kalimba mbira thumb_piano world_music folk_instruments plucked_idiophone acoustic_instrument ethnomusicology sound_design ai_training_data sampling_96khz bitdepth_24bit mono