ROSEBURG Chamber group seeks members The Umpqua Chamber Orchestra has openings for musicians proficient in violin, viola, cello, bass, oboe, bassoon and French horn. The orchestra rehearses at 7 Monday nights at the First Presbyterian Church, 823 S.E. Lane Ave., Roseburg. All interested musicians are invited to attend this week’s rehearsal, the first, scheduled at 7 p.m. Jan. 28. Information: Jason Heald, at 541-440-4693 or jason.heald@umpqua.edu. …