Update dataset_info

Rename loading script

Add dataset_infos

Update README.md

Update README.md

Add urls of track files

Update _URLS: add train.tsv and valid.tsv

Merge branch 'dataset'

Rename to mtg_jamendo

Fix generating samples

Update description and download links

Rename to mtg-jamendo

WIP dataset loading script

Split data into train and valid set

Rename validation file

Add dataset files

initial commit