"Groove brings you all the music you love, every way you want it. OneDrive • 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) Music Pass • Discover new songs, albums, and artists right from your iPhone • Play ad-free music from one of the biggest music catalogs on the planet • Add songs, albums, and playlists to your Groove music collection and access them from your phone, Xbox, PC, tablet, and the web • Listen to radio stations based on your favorite artists."