XYZ Is A Hard Rock Band Formed In The Late 1980s. XYZ Started Off As The Unofficial House Band Of "The Whiskey" A Nightclub In Los Angeles. The Original Members Were Terry Ilous Vocals Bobby Pieper Guitars Patt Fontaine Bass And Joey Pafumi Drums . A Tour Of The US With Enuff Z'Nuff And Alice Cooper Followed The Success Of Their Debut Album And They Were Signed By Major Label Capitol For Its Second.