Papa Sangre 2 level 15

Have been playing with this level for what seems like forever and I can get to the last bit of music but can't get enough air. it's the last one, where the music is very far away and there are no bubbles. How are you supposed to get to the last bit of music without drowning? If you swim too fast, it yells at you and says you'll get cramped. Any ideas would be cool.

Hi!
I actually managed to pass it the second time around. The trick is, when you get to the last one, you have to run as fast as you can because your air is running out.

I just started to play the game with my friend, and got to the same stage. I have to say, this is the hardest level I've seen, and it's not the last level in the game, even though it feels like it should be.
I only manage to get to the 3rd bar of music, after that I hardly have any air to try and reach the 4th bar, and never manage to reach it because I die before I can even locate it properly. To hear that there's a 5th bar after that is quite shocking, considering it's a big enough problem to get to the 4th bar, how on earth are you supposed to get to the 5th bar if you cannot find the air bubbles.

I managed to get past that level and actually there's another solution. After destroying each bar, return to the bubbles to get air, and then go destroy the next one. Except for the last one of course. for that one, you'll have to be quick.