This is the dataset repository for the paper: POP909: A Pop-song Dataset for Music Arrangement Generation, in ISMIR 2020.
index.xlsx: it contains a list describing the baisc information of each index folder/file (name, number of beats per measure, number of quavers per measure, and modify times)
index.mid: the music midi… See the full description on the dataset page:
https://huggingface.co/datasets/c0smic1atte/909_aligned.