With clashes, annihilations and other hyped head-to-head challenges cluttering the calendars of most hard-rock venues, competitive musicianship in Kansas City has already achieved oversaturation. But promoter Jim Kilroy's unique twist on the concept revitalized excitement in such events without stirring animosity among the participants. Kilroy waged Club Wars for months, with fan favorites advancing to playoff rounds and eventually falling into place with little controversy. Instead of mortal combat, these were cooperative concerts, allowing diverse area bands to play to each other's crowds.