Lead singer and guitarist of Unknown Mortal Orchestra, Ruban Nielson, presents the unique sound of the Portland band to a large crowd at Wow Hall Saturday, April 7, 2013. (Mason Trinca/Emerald)

Lead singer of Wampire, Rocky Tinder, sings into the mic and brings some of his laid back sound to the Wow Hall in Eugene, Oregon. (Mason Trinca/Emerald)

An excited fan looks back to find her friends during the Wampire performance at Wow Hall. (Mason Trinca/Emerald)

Fans look up in awe from the electrifying guitar playing skills of Ruban Nielson at the Wow Hall. (Mason Trinca/Emerald)

Ruban Nielson jams out in front of the large crowd at Wow Hall. Unknown Mortal Orchestra, which was started by Nielson, was originally named The Mint Chicks. (Mason Trinca/Emerald)

Rocky Tinder of Wampire disassembles gear their band’s gear for the next performing act as fans eagerly greet and shake his hand during the intermission. (Mason Trinca/Emerald)

Unknown Mortal Orchestra plays in the dark lit Wow Hall. The band recently released their sophomore album “II” back in early February of this year. (Mason Trinca/Emerald)