Now Playing: "Caitlin Berka"

Zany as it sounds, his music ins’t just for kids. “As a parent, you’re lie, if I have to listen to Barney one more time, I’m gonna barbecue him and see him for dinner,” Cullinan says. His concept, “rock-opera for kids,” combined with high-level musicianship (the album features artists who have worked with Santana and Huey Lewis, as well as opera singer Nathan Gunn) appeals to a more mature set.