K-KLASS Rhythm Is A Mystery (1991 UK 4-track 12 vinyl single including the Mechanix & Mysteron remixes plus Pianone [ Freestyle Mix] & Spirit housed in a glossy black grey & red titled sleeve. There is some minor evidence of storage to the sleeve but the vinyl appears barely played CREED11TX) Side A:1. Rhythm Is A Mystery
- Mechanix Mix 2. Pianone
- Freestyle Mix Side B:3. Rhythm Is A Mystery
- Mysteron Mix 4. Spirit