Which Minneapolis superstar was backed by the New Power Generation in the 1990s?

Before becoming an actor, which rapper led the Funky Bunch on the 1991 hit "Good Vibrations"? Which British singer leads "the Machine", the band behind the hit "Dog Days Are Over"? Which Genesis guitarist formed the side project the Mechanics, known for "The Living Years"? Which singer rose to fame fronting the Miami Sound Machine? Which late-night TV host co-owned the racing team that won the 2004 Indianapolis 500? Which pianist and singer led the Range on the 1986 hit "The Way It Is"? Which singer was backed by the Revolution on the 1984 album "Purple Rain"? In what year did King John agree to the Magna Carta at Runnymede?