 Matonis has also regularly attended music festivals around the United States, including Bonnaroo Music Festival in Manchester, Tennessee, City Stages, SXSW, Lollapalooza, the Ponderosa Stomp, International Pop Overthrow in Los Angeles, Sleazefest (which includes a Beatle Bob Dance Contest), the New Orleans Jazz and Heritage Festival, and Austin City Limits Music Festival.He was the emcee at the final Guided by Voices show at Metro in Chicago on December 31, 2004, and introduced Sleater-Kinney at their last touring show during Lollapalooza in 2006.He introduced Camper van Beethoven and The Flaming Lips at Wakarusa Music & Camping Festival in Lawrence, Kansas in June 2006.