The Columbia Orchestra. Auditions for string instruments (inquire about winds and percussion), 8:30 a.m.-4:30 p.m. Aug. 17 and 7 p.m.-10 p.m. Aug. 19 at the Vantage House in Columbia. Call 410-480-0177 or e-mail AnneSWard@aol.com.

New Wave Singers. Auditions for fall 2002, 6 p.m.-9 p.m. Aug. 21 and 10 a.m.-4 p.m. Aug. 24 at Govans Presbyterian Church, 5828 York Road. All voice ranges and skill levels are encouraged to audition. Call 410-558-4692 or visit www.newwavesingers.org.