Follow me on Twitter: \r<br>\r<br>Song: Arent You A Little Young To Build A Rollercoaster?\r<br>By: a building engineer (Dan Povenmire) and Phineas Flynn (Vincent Martella)\r<br>Episode: Rollercoaster: The Musical\r<br>\r<br>Dont forget to watch my other Phineas and Ferb lyrics videos!\r<br>\r<br>All rights go to Disney!
