Fiddler and guitarist Laurie Lewis and mandolinist and guitarist Tom Rozum will celebrate the release of their new CD, “One Evening in May.” Lewis and Rozum draw their newgrass sound from traditional bluegrass artists. The duo will perform at 8 p.m. Friday, May 9, at the Unitarian Fellowship, 87 Fourth St. Also on the bill is bluegrass duo Robin and Linda Williams. Tickets cost $25 in advance and can be purchased online at www.stclairevents.com, at Music Coop or by calling 541-535-3562. Tickets cost $28 at the door, $10 for ages 12 through 17. Kids 11 and younger get in free.