Maple Valley Youth Symphony Orchestra, whose members wore festive attire for recent holiday performances, is getting ready for its second trimester. Young musicians with two or more years of playing experience can join for activities that will include a waltz gala ball Feb. 13 at the Olson Mansion and a performance with the community choir of Vaughn William’s “Five Mystical Pieces” April 24-25. Rehearsals in January are scheduled for Monday nights at Shepherd of the Valley Lutheran Church in Maple Valley. More information is available at www.mvyso.org and (425) 358-1640. Choir information is available at www.svlcfamily.org and from Ron Mallory at Shepherd of the Valley at (425) 432-1373.