As of 2006, fourteen groups or solo artists, four nonperformers, and two sidemen connected with the Detroit area have been enshrined in the Rock and Roll Hall of Fame. Inducted into the hall are a record contending 23 Detroit artists and groups: Aretha Franklin, Marvin Gaye, Bill Haley, Smokey Robinson, Jackie Wilson, the Supremes, the Temptations, Stevie Wonder, Hank Ballard, the Four Tops, Gladys Knight and the Pips, John Lee Hooker, Wilson Pickett, Martha and the Vandellas, Little Willie John, Parliament-Funkadelic, James Jamerson, Michael Jackson, Holland-Dozier-Holland, Glenn Frey, Berry Gordy, and the Jackson Five.