It's called Soundscape Blast.
http://www.addictinggames.com/soundscape-blast-game.html
What's so cool about it? Well, it's kinda like a mix between Columns and Guitar Hero... And the best part, you can load your own MP3s XD
http://www.addictinggames.com/soundscape-blast-game.html
What's so cool about it? Well, it's kinda like a mix between Columns and Guitar Hero... And the best part, you can load your own MP3s XD