Cellist Tim O’Malley is a longtime member of Chamber Music Charleston, run by his wife, Sandra Nikolajevs, who plays bassoon with the group. The first part of 2015 includes several concerts that feature regular players and special guests.

The Ovation concert series continues at 7:30 p.m. Feb. 7 and 3 p.m. Feb. 8 with a program that includes James Stephenson’s “A Dialogue of Self and Soul,” for bassoon piano and strings, as well as Schumann’s Quintet for Piano and Strings, with guest artists Andrew Armstrong and Anthea Kreston joining regulars Frances Hsieh, Ben Weiss and O’Malley.

The Feb. 7 performance has table-only seating at the Woolfe Street Playhouse, 34 Woolfe St.. The Feb. 8 performance is at the Cathedral of St. Luke and St. Paul, 126 Coming St.

On March 8, organist Murray Forbes Somerville joins violinists Jenny Weiss and Hsieh, and cellist O’Malley in a 3 p.m. program that includes works by Dvorak, Handel and Borodin. Somerville is a noted choral conductor and organ recitalist who was Harvard University’s organist and choirmaster from 1990-2003. The concert will be at the Confederate Home and College, 62 Broad St.

On April 9, The Charleston Library Society, 164 King St., hosts a 7 p.m. Chamber Music Charleston concert featuring Nikolajevs on bassoon and Armstrong on piano. They will perform works including Gershwin’s “Rhapsody in Blue” for solo piano.

For more information, and to buy tickets, go to www.chambermusiccharlesotn.org or call 843-763-4941.