Chicago’s three-day, punk-rock carnival was host to Slayer, Jawbreaker, Raconteurs, Patti Smith, Rise Against, Bob Mould, Rancid, Bikini Kill, Lucero, the Struts, and more. Here are our favorite guitar-related moments from the 15th annual gathering.

Patti Smith’s Band’s Tony Shanahan

Playing the 4-string with NYC-punk-rock icon Patti Smith since 1996, Shanahan laid back in the groove most the night with his Fender P.