Million Songs Dataset contains of two files: triplet_file and metadata_file. The triplet_file contains user_id, song_id and listen time. The metadata_file contains song_id, title, release, year and artist_name. Million Songs Dataset is a mixture of song from various website with the rating that users gave after listening to the song.
There are 3 types of recommendation system: content-based, collaborative and popularity.
Download links:- https://static.turi.com/datasets/millionsong/10000.txt https://static.turi.com/datasets/millionsong/song_data.csv
Note: Please check the repository for dataset files if the links are not working