Thread:WiKiAN/@comment-3466679-20140520171944

The tittle is "Whatcha Doin'?" according to this: https://itunes.apple.com/es/album/phineas-ferb-across-1st-2nd/id714749979 and this: http://www.amazon.com/Whatcha-Doin/dp/B005DJSZQ4 