Mark Hummel blows on harmonica, with Charlie Baty, Bob Welsh, RW Grigsby and June Core
John Mayall, Charlie Baty and Bob Welsh
Mark Hummel's Blues Harmonica Blowout goes all weekend long at the Center. For more info, visit sfjazz.org. Check out more photos, including shots from last night's Django Reinhardt Hotplate at SFJAZZ Flickr.