As a part of The Clash at Demonhead, Lynette Guycott performed the drums for the band's music.
History[]
In both the books and movie, Lynette plays drums when the band goes onstage at Lee's Palace to perform "Underwater Motor Scooter" and "Black Sheep" (the former in the books and the latter in the movie)
In Scott Pilgrim Takes Off, Lynette does the drumbeat for "Black Sheep" when the band performs the song at an open-air concert.