The race for the final three is on as the songwriters craft pop music of Taio Cruz and some tough critics -- high schoolers.

The songwriters vie for the final four spots as Colbie Caillat challenges them to write inspiring tunes.

The songwriters must whip up hooks for specific artists, but two contestants can't come to a common ground.

The songwriters must busky on a busy streeet and create a risk-taking song.

The songwriters are tasked with writing a love song -- even if they don't feel that way about each other.

The contestants step out of their comfort zone to write a hip-hop hit.

Natasha Bedingfield challenges the contestants to write songs for the open road.

The songwriters must create a dance floor anthem worthy of Donna Summer.