Rock Squared or Rock2 was a band formed by Zack and Cody in the episode: Band In Boston.
Prior to the episode, Rock Squared was unheard of in the series. It wasn't until "Band In Boston" that the band was even real. The purpose of the band was to win Battle of the Bands, due to the winner getting to write a demo CD. The members were:
- Zack Martin - Lead Vocals, Lead Guitar.
- Cody Martin - Lead Vocals, Keyboardist.
- Max - Bass Guitar.
- Tapeworm - Drums.
The band was practicing in Suite 2330 until Carey pulled the plug. The band had to go down to the Ballroom, but Mr. Moseby forbid them to continue. They were then allowed to practice in the Laundry Room, with Arwin Hawkhouser encouraging them. Later on, Zack finds out that they have competition, Lance Fishman's band Waterworks, who were facing problems of their own. Maddie was also part of the band. As rehearsals went on Zack and Cody continued to fight about looks, music and style. This lead to Cody quitting Rock Squared. Zack, Max and Tapeworm could not come up with any lyrics. Cody had found new members of his new band, Muriel and Arwin, but the band only lasted a few minutes. The twins worked it out and the band was back. They went on to win Battle of the Bands, yet after the episode nothing happens, despite them being so passionate about scoring a demo CD.
As stated above, each member of the band played an integral part. Only one song was heard; it was probably the only one too. the song was called School's Out. This song had a very "rocky" style, and sounded very well. They made their Demo CD.