Redesign icon

Hi all! I designed this icon app for a design contest last year, but I wasn't fully satisfied. I designed music elements in an abstract style because the app has to be lively and elegance at the same time. After watching the course by @michaelflarup about how designing icon app, I decided to redesign it. That's the result. Now the stave isn't an element but it's the background itself which, through different colors, recreates it.
What do you think about it? I really appreciate your feedback!