Its arrangement developed as the band experimented in the studio. Bassist Ken Forssi had received a bass fuzz effect unit from an endorsement deal the band had signed with Vox, and Lee suggested Forssi use it on "7 and 7 Is".
The band's arrangement evolved as they worked in the studio. Ken Forssi, the bassist, received a bass fuzz effect unit from a deal with Vox, and Lee suggested he use it on "7 and 7 Is".