We're Doing a Sequel also known as just "Sequel Song" is a song written by Bret McKenzie and performed by Lady Gaga, Tony Bennett & the Muppets released on the soundtrack for Muppets Most Wanted on March 18, 2014. The song breaks the fourth wall as Kermit and the Muppets sing about making a sequel. The film's original soundtrack album features a demo version of the song, performed by Bret McKenzie, as a bonus track. A music video teasing a portion of the song along with clips from the film was released online on February 27, 2014 and featured only Muppets.