You can stream any music available on youtube for free.
The app is completely free open source, features no IAP, no ads. Just download app, search your song, and stream!
At core it uses NewPipeExtractor to get streams from YouTube hence can play almost any YouTube stream.
Features an inbuilt search to search YouTube, an adjustable playing queue, custom playlists and more. No song is stored in device it's directly streamed from google server hence saving space.
It does not streams video and only fetches audio files thus eliminating heavy data usage of videos,
It's full featured music player so you can enjoy background playback with notification controls, and you don't need to keep screen on and focused like YouTube to listen to your music.
It does not track you, there is no tracking system at all, you don't even need Google APIs to use app.
It's a work in progress app, so use at your own risk.
Any bugs,feature request and feedback are welcome, report it on
FDroid [Free] https://f-droid.org/en/packages/deep.ryd.rydplayer/
Get it on XDA Labs [Paid/Support] https://labs.xda-developers.com/stor....ryd.rydplayer
Leave a Star on Github
MusicPiped, App for the Apps & Games
Source Code: https://github.com/deep-gaurav/MusicPiped
Current Beta Version: 0.2.1-beta
Last Updated 2018-11-08