Danny Jacob is a veteran musician and the composer of the original score and the comedic original songs heard in Disney XD and Disney Channel's animated comedy series, Phineas and Ferb. Each episode features at least one song, two part (20 minute) ones often have two. A world-class guitar player, Jacob evolved his career into composing songs for Disney Channel's animated series Lilo and Stitch, Kim Possible and The Emperor's New School, and the Disney DVD release Leroy and Stitch.