Luke Broadbent of Spiller performs on the EMU Green stage. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Sam Mendoza of Spiller sings into the microphone. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Spiller members Luke Broadbent and Sam Mendoza perform an unreleased song for the crowd. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Aidan D’Angelo of Spiller takes a quick break from slapping the bass. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Oregon rapper Wynne hypes up the crowd. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Wynne speaks to the crowd during her set at the EMU Green stage. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Wynne and her team salute the Black Panthers following the performance of her song, “An Open Letter to Donald Trump.” The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Wynne’s DJ Spencer Smyth douses the crowd with water. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Phillip Quinn/Emerald.)

Twister performs in front of an evening crowd. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Samuel Marshall/Emerald)

A patron dances with a long glow stick. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Samuel Marshall/Emerald)

Sir the Baptist performs as the headliner. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Samuel Marshall/Emerald)

Fans applaud in the front row. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Samuel Marshall/Emerald)

Sir the Baptist raises his arms towards the crowd. The annual Willamette Valley Music Festival is held at the Erb Memorial Union on the University of Oregon campus on May 20, 2017. (Samuel Marshall/Emerald)