See lyrics and sing in Apple Music on your Apple TV - Apple Support

If you subscribe to Apple Music, you can follow along as you listen with perfectly timed lyrics that appear line-by-line and beat-by-beat. Adjust the vocals so you can sing along. And be the star of your show by using your iPhone or iPad camera to see yourself on TV.

Now Playing: Control music playback on Apple TV - Apple Support

How to Enable Time-Synced Lyrics in Apple Music on Your Apple TV - MacRumors

Apple Music

Use Apple Music's New Sing Mode for Karaoke on Your iPhone Anywhere You Go « Apple :: Gadget Hacks

Add music to your queue to play next on your iPhone, iPad, iPod touch or Android device - Apple Support (IN)

How to view song lyrics in Apple Music on iOS, Mac and Apple TV - AppleToolBox

Share music with friends on Mac - Apple Support (IN)

How to use Apple Music Sing karaoke feature - 9to5Mac

Apple Music