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.

Violent Femmes’ Brian Ritchie

Known for his warm, plunky bass tones, Brian Ritchie has been a longtime subscriber to the ’70s Ernie Ball Earthwood acoustic 4-string.