I'm not much of a game guy, but I've been curious for a while that this game was about a musical career. Finally, a few weeks ago, I started playing and everything is extremely simple, which got me.
I think for a "non" gamer, Risingstar is the perfect gateway. A simple game, that requires no entry investment and also has the advantage that you can play it without consuming all your time.
I can only say that I love it!