Observer Editor, Free
Skateboard Art Show & Party: Friends of the Ann Arbor Skatepark Fundraiser.
Show and auction of original artworks using skateboard decks as canvases. Commissioned from more than 20 artists to support the nonprofit that manages the city skatepark. Cash bar. Tunes spun by DJ Johnny Fonseca. 7–10 p.m., Zingerman’s Greyline, 100 N. Ashley St. Free admission. A2skatepark.org.