If you like singing along while listening to music, YouTube Music now supports built-in lyrics on Android. The lyrics are accessible by tapping on the info icon located to the left of the song's name. Selecting this icon will pull up a panel that shows views and like count, and shortcuts to the artist and album page. Below that, there is a Lyrics section. And if you scroll to the very bottom, you'll see where Google sourced the lyrics from. It doesn't seem to be widely rolled out yet, but we expect the feature to show up on more Android devices, and hopefully later on iOS and the web.
Source: 9to5Google