Listen to Music on YouTube? You Need These 5 Sites and Extensions

How to Listen to YouTube Audio and Lock your Device - YouTube

How to Listen to YouTube Without the Video on Android

Listen To YouTube (Official) Next Generation Youtube to...

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Listen to YouTube audio on Android with your screen turned off

Use audio mode - YouTube Music Help

Use These iOS Apps To Listen To Youtube Audio In The Background

If there’s one thing that people hate about the official Youtube app for iOS, then it is the app’s inability to keep the audio playing in the background when user returns to homescreen or switches to another...

YouTube to MP3 Converter - ListenVid.com