Opus I Music Society's Dec. 8 meeting will feature "The Life and Music of Johann Sebastian Bach, Kappellmeister, Cothen Years." It will include a performance of Bach's "Unaccompanied Cello Suite No. 3 in C Major" by Caitlin McConnell, a master's student at Mary Pappert School of Music at Duquesne University. The program will be at 9:30 a.m. at Mars Alliance Church, Route 228, and is free and open to the public. Call 724-776-9169.

<B>Homegrown Acoustic</B>, the trade name of singer-songwriter Steve Cohagan, will perform a mix of blues, country, folk and rock n' roll music Dec. 12 at the Hoyt Institute of Fine Arts, 124 E. Leasure Ave. Tickets are $5 and all proceeds benefit the museum. Doors open at 7 p.m. Tickets are recommended in advance by calling 724-652-2882 but will also be available at the door.