; Sid Wilson ( # 0 ) Active : 1998 â `` present Plays : turntables Performed in : all Slipknot releases from Slipknot ( 1999 ) to present The band wanted to add a DJ to their line-up but decided not to because they did n't know anyone they thought was good enough . ; Sid Wilson ( # 0 ) Active : 1998 â `` present Instruments : turntables , keyboard Release contributions : all Slipknot releases from Slipknot demo ( 1998 ) to present The band was interested in adding a DJ to their lineup , but were reluctant because they did n't know any that they considered good enough .