Following the DIY ethos and the idea that the people in the audience could be the people on stage, Siouxsie and Severin decided to form a band. When a support slot at the 100 Club Punk Festival (organised by Malcolm McLaren) opened up, they decided to make an attempt at performing, although at that time they did not know how to play any songs. On 20 September 1976, the band improvised 20 minutes of music while Siouxsie sang the "Lord's Prayer".