Who has been in more bands, Mike Muir or Ronald Isley?
Mike Muir: Michael Allen "Mike" Muir (born March 14, 1963) is the lead vocalist of the Venice, California crossover thrash bands Suicidal Tendencies, Los Cycos and the funk metal band Infectious Grooves. Ronald Isley:  Isley is best known as the lead singer and founding member of the family music group the Isley Brothers.
Michael Allen "Mike" Muir