Great! This is very catchy! But there are two problems:
1. The difficulty is growing too fast;
2. When you pass 2-3 levels in a few attempts, then you lose and go back to level 1 again - this is not very cool :( . Few more attempts like this and the desire to press "quit" overpowers the desire to go further (just my opinion!)
p.s. btw i love the music and this effect when you win is really cool :D