LiveMusic Offline is smart, easy to use and probably the best streaming music player for Dropbox, Google Drive.
* Music Cloud
+ Quick access to all music in Dropbox, Google Drive.
+ Manage your music from multi-cloud storage without internet
+ Browse folders in clouds
* Playlist Manager
+ Intuitive navigation with swiping gestures
+ Rename & rearrange playlists
+ Playlist organizer by title or date
* Full featured media player
+ Support directly streaming from cloud drives.
+ Support mp3, m4a, m4r, wav, aac, ac3, aiff format.
+ Support Repeat One, Repeat All and Shuffle play mode.
+ Background audio playback support
+ Lock screen playback controls support
* Privacy
+ Only require "Audio files" permission for Dropbox.
+ Only require "View" permission for Google Drive.
+ You cannot share or re-uploaded file to the other sites.
+ We will use your email address as cloud drive identifier, but we dont collect your email address and other information like contacts etc.
* Highest music quality
+ Full iPhone 4, 4s, 5, 5c, 5s, 6, 6 plus, 6s, 6s Plus and 7, 7 plus Support!
+ iOS 10, 9, 8 optimized
If you like this app, give it a 5-star review, so that the new features would appear soon.