Microsoft Groove description

Groove brings you all the music you love, every way you want it.

• Add your MP3s to OneDrive and play them wherever you go
• Download playlists, albums, and songs from OneDrive to enjoy your favorites even when you're off the grid
• See at a glance what's available where (online, offline, both)
• Add songs, albums, and playlists to your Groove music collection and access them from your phone, Xbox, PC, and the web