HQ - HQ is the wildly popular live game app where you can win real cash prizes.
Songlio - Free musical guessing game: race friends to name that tune
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
SongTrivia2.io - Songtrivia2.io is a browser and mobile blind test game that allows you to play in real time with your friends or against strangers. Several musical themes, difficulty and game modes are available to create lots of different musical quizzes.
tbh - The only anonymous app with positive vibes
SongPop - The world's biggest music trivia game. Now even better.