You can now add music to OneDrive and play it on your Xbox One via the Xbox Music App, no music pass subscription needed to play your music from OneDrive, it’s totally free! You can create playlists from your favorite tunes, simply add your favorite files (MP3, M4A (AAC), and WMA ) to your Music folder, and they'll appear in your Xbox Music Collection. Open your OneDrive Music folder from the web or via the OneDrive app. Upload your favorite MP3, M4A (AAC), or WMA from your hard drive to the OneDrive Music folder. Now sign into the Xbox Music application on your PC, Windows Phone, Xbox or the web with the same Microsoft Account you used in OneDrive. Your OneDrive music files will now be listed as songs in your collection, free to play wherever you go! Note: if you are still not seeing your files, please make sure you have accepted the Xbox Terms of Use here. Source