Bass solo at Worldfest.
Ben Harper covering a Peter Tosh song, 'You can't Blame the Youth.' Rock Deadrick on drums, Mark London Sims on bass.
Joe Caploe and Leonice Shinneman play a Mark London Sims composition, 'Permission Granted.'
Mark London Sims' bass solo on Agent Double O Soul with The Untouchables at the Yucca Tap Room in Phoenix AZ. 10-14-17.
Jacquelyn Levy intro duet with Mark London Sims on Fretless Bass.