in Disney Channel's American Dragon: Jake Long series. In 2006, Song had a voice-over role in Holidaze: The Christmas That Almost Didn't Happen. She later starred in an online series called London Tipton's Yay Me!. Song was part of the Disney Channel Circle of Stars, a group of performers from several different Disney Channel television series. She was featured in the recording and music video of a version of "A Dream Is a Wish Your Heart Makes", which was included on the special edition Cinderella platinum edition DVD and on the DisneyMania 4 CD, released in April 2006. In the Suite Life High School Musical-themed episode, Song performed "Bop To The Top" and "Really Great". "Really Great" became the theme song for the online series, London Tipton's Yay Me!. She sang "Bling Is My Favourite Thing" on another Suite Life episode. In these episodes, Song purposefully sang poorly in character as London Tipton. In 2008, Ian Scott wrote and produced demo songs for her, credited to Mark Jackson Productions. Song's first starring role as the title character was in the 2006 Disney Channel Original Movie Wendy Wu: Homecoming Warrior, which had over 5.7 million viewers at its premiere.R. Thomas Umstead (January 22, 2007). "Disney Movie Skips to Another Record". Multichannel News. Accessed December 11, 2008. Wendy Wu was planned to be a comedy, but the directors of the film were having trouble finding a suitable actor with both the comedic presence and taekwondo ability to play the main character, originally named Kenny Lu. Lydia Cook, one of the films's directors, said, "Brenda was originally brought in to play the [supporting] monk's role. We started training with her in martial arts, and that's when we realized that she should be Kenny Lu. They quickly switched things around and offered Brenda the lead in the movie. She had the perfect combination of wit and martial arts." Song had to break a brick with her hand in a screen test before landing the title role. According to The New York Times, the film became a "star vehicle" for Song. The film was about an average, popular Chinese-American teenager whose life is turned upside down by a visit from a young Chinese monk (Shin Koyamada). The monk claims she is the reincarnation of a powerful female warrior and the only person who can prevent an ancient evil spirit from destroying the world. In a