Candace and Stacy Theme Adventure is an AMC Original Spin-Off series follows her Adventures of 3 Teenagers, Candace, Stacy, and Jermey are came to Town filled with Teenagers. Candace and Stacy Theme Adventure Theme Song was Music & Peformed by Jonas Brothers. The Extended version of this song is sometimes known as "It's a Teenage Life". Tagline: Discover the Magic of Candace Flynn and Stacy Hirano.