Loop YouTube videos, and control how long you want to play a YouTube video for.
FacePause - Look away to pause YouTube videos
Musixmatch - - World’s Largest Lyrics catalog and official
mps-youtube - Terminal based YouTube player and downloader
Lyrics Training - A game where you fill in the lyrics of your favorite songs
ListenOnRepeat - 24/7 curated music streams
Genius - Genius is the world’s biggest collection of song lyrics and musical knowledge.