In 2001, Kramer and his wife and manager Margaret Saadi Kramer launched MuscleTone Records, an independent label. MuscleTone and Levi's Clothing partnered to produce a live performance featuring the MC5's surviving members and guests Ian Astbury (The Cult), Dave Vanian (The Damned) and Lemmy (Motörhead), which they filmed at London's 100 Club for Channel 4 in the United Kingdom. The event generated worldwide press coverage and prompted a world tour. The tour spanned several years and included dates in Europe, America, Australia, South America and Japan. They have performed together on and off since then with a variety of guests.