Just this year. Guitar Zack & No Slack at an American Legion outpost. Easily the best show I've ever seen. They played for 4 fucking hours and it didn't get boring for a minute! Zack played everything with master-level atriculation: blues, jazz, rock, prog. No Slack was as tight as any band I ever saw or heard. Zack's originals couldn't be any awesomer if they tried, what with all-out-anthems such as My Hair Is Perfect and Bring Your Five Dollars, plus the coolest grooves & best guitar solos you may ever hear. Then near the end of the set they started launching into a few tunes by peeps such as Zep, Hendrix, Robert Johnson. Their Moby Dick was the best Zep cover I've ever heard.