What role is shared by both Kevin Cronin and Boots Riley?
Kevin Cronin: Kevin Patrick Cronin (born October 6, 1951) is the lead vocalist, rhythm guitarist, and occasional pianist for the American rock band, REO Speedwagon. Boots Riley: Raymond Lawrence "Boots" Riley (born 1971), better known by his stage name Boots Riley, is an American rapper, producer and film director best known as the lead vocalist of The Coup and Street Sweeper Social Club.
lead vocalist