The music-lovers behind Sing King Karaoke on hitting 1 million subscribers ‘Karaoke isn’t really about being able to sing well, or being a professional singer.’ ...

Again, there are other karaoke apps out there, and they often include a significant social networking element — for example, Smule launched its Sing app last year allowing users to collaborate ...

This entrepreneur started a karaoke YouTube channel in 2012 and grew it to 10 million subscribers battling the platform's licensing requirements.