Update:
2017.11.29 16:40 Due to stop the free service by DaoCloud, the proxys cannot be used in the post.
China
You can enjoy music with NetEase Music in China, or use it with Chinese proxy.
For study purpose, use the following share proxy after downloading the “Potatso Lite” and scanning the QR code.
Overseas
The combination of Spotify and Musixmatch may be the good solution. The Musixmatch can find and show the lyric of playing music on Spotify.
The new account of Spotify can try 7 days premium. After the trial end, the free account have to wacth 30 seconds ads to listen 30 minuts music and shuffle the music.
The Spotify cannot auto stop playing. Alternatively, Clock–>Timer–>When Timer Ends, Stop Playing.