{"url":"/dataset/cosian","name":"COSIAN","full_name":"a collection of singing voice annotation","description_markdown":"**COSIAN** is an annotation collection of Japanese popular (J-POP) songs, focusing on singing style and expression of famous solo-singers.\r\n\r\nIt consists of various 168 songs. There are 21 female- and 21 male singers. Each singer has four songs that have different moods from each other.\r\n\r\nSource: [Analysis and Detection of Singing Techniques in Repertoires of J-POP Solo Singers](https://yamathcy.github.io/ISMIR2022J-POP/)\r\n\r\nImage Source: [https://yamathcy.github.io/ISMIR2022J-POP/](https://yamathcy.github.io/ISMIR2022J-POP/)","description_withheld":null,"homepage":"https://yamathcy.github.io/ISMIR2022J-POP/","introduced_date":"2022-10-31","introduced_date_note":null,"introduced_by":{"paper":"/paper/analysis-and-detection-of-singing-techniques","title":"Analysis and Detection of Singing Techniques in Repertoires of J-POP Solo Singers","first_author":"Yuya Yamamoto","url":null},"license":null,"modalities":[{"name":"Audio","url":"/datasets/modality/audio"}],"tasks":[{"name":"Information Retrieval","url":"/task/information-retrieval","datasets_with_task":"/datasets/task/information-retrieval"},{"name":"Retrieval","url":"/task/retrieval","datasets_with_task":"/datasets/task/retrieval"},{"name":"Music Information Retrieval","url":"/task/music-information-retrieval","datasets_with_task":"/datasets/task/music-information-retrieval"}],"languages":[],"variants":["COSIAN"],"data_loaders":[],"num_papers_in_archive":3,"source":{"archive":"pwc-archive (Hugging Face), CC BY-SA 4.0","snapshot":"2025-07-28"},"benchmarks":[],"papers_with_a_benchmark_row":[],"syntology_totals":{"read_at":"2026-09-24T18:15:14+00:00","papers_with_samples":0,"samples_harvested":0,"samples_ran":0,"samples_unverified":0,"pointer_only_for_licence":0,"papers_with_no_sample_that_ran":0,"note":"the per-paper counts above, summed; not a rate"},"papers_note":"The archive never published its papers-using-dataset list; these are papers with a leaderboard row on this dataset's benchmarks."}