10 three letter initialisms often used by certain rock bands

1. ELO (Electric Light Orchestra)
2. OMD (Orchestral Manouvres in the Dark)
3. ELP (Emerson,Lake and Palmer)
4. BTO (Bachman Turner Overdrive)
5. CCR (Creedence Clearwater Revival)
6. CSN(Y ) (Crosby, Stills, Nash (and Young))
7. AWB (Average White Band)
8. CCS (Collective Consciousness Society)
9. BAD (Big Audio Dynamite)
10. PIL (Public Image Limited)