Senate hopeful Beto O’Rourke may have just net himself some additional votes. During a Willie Nelson concert in Austin, Texas, the progressive state congressman joined Nelson on stage for an impromptu jam session, and also to show off a little bit.

So @BetoORourke not only stuck around to sing with @WillieNelson, he played guitar with him. pic.twitter.com/HZdod0WLqr

— Peter Blackstock (@Blackstock360) July 5, 2018

O’Rourke’s arrived onstage during Nelson’s headlining slot at the Willie Nelson Fourth of July Picnic. He joined Margo Price, Asleep at the Wheel’s Ray Benson, and members of the Head and the Heart for a closing medley of “Will the Circle Be Unbroken” and “I’ll Fly Away”. Earlier in the night, O’Rourke introduced the festival’s climactic fireworks show.

Texas congressman O’Rourke is currently the Democratic challenger for Ted Cruz’s Senate seat. However, the politician wasn’t always shaking hands and kissing babies. Proof positive of his guitar skills, O’Rourke is a former singer and guitarist; he was a member of the band Foss in the early 90s with Cedric Bixler-Zavala (Vocalist for the Mars Volta, and At the Drive-In) . His father disapproved of the band, and O’Rourke himself claims he “wasn’t that good at it.”

Check out a video of both men performing below.