Punch Brothers and Andrew Bird perform at the Oregon Zoo Saturday, August 18.

Punch Brothers and Andrew Bird perform at the Oregon Zoo Saturday, August 18.

Courtesy of the artists

Modern bluegrass band Punch Brothers and multi-instrumentalist Andrew Bird play the Oregon Zoo on Saturday, Aug. 18.

Punch Brothers features mandolin artist Chris Thile, host of public radio program “Live From Here” - Saturdays at 6 p.m. on OPB. Bird is a unique performer, whose songs are shaped by plucked violin, looped string parts, singing and his accomplished whistling.

Punch Brothers and Andrew Bird perform at the Oregon Zoo in Portland Saturday, Aug. 18 at 7 p.m. It’s an all-ages show. We’re giving away tickets. Here’s how to enter for a chance to win:

To enter the tickets drawing for Punch Brothers and Andrew Bird, fill in the blanks below and press “submit.” One entry per person, please. Duplicate entries will be ignored. Tickets are not transferable. The deadline to enter is Tuesday, Aug. 7 at 5 p.m. PT. We’ll notify the winners by email. Good luck!