Are you a choral music fan and are wondering what to do this winter and spring? Sheepscot Chorus and St. Cecilia Chamber Choir will be offering virtual sessions every Wednesday at 6:30 p.m. from Feb. 10 through May 19.

Under the leadership of Linda Blanchard and Sean Fleming, the sessions will include rehearsals, group vocal classes with renowned performers and teachers Mary Sullivan and John David Adams, and music history. Sessions will include selections from Paul Winter's “Missa Gaia,” Brahms' “Liebeslieder Waltzes, op. 52,” and the “Verdi Requiem.” Audio compilations of several numbers will be produced for those who'd like to participate. For more information or to register now, go to sheepscotvalleychorus.org

Hailed for her “power, suppleness, and expressive depth,” soprano Mary Sullivan has appeared as a soloist with numerous ensembles in New England. She has appeared as a recitalist at Bowdoin College’s Studzinski Recital Hall with pianist and Artist in Residence George Lopez, and has been a featured soloist for Opera Maine. Recent repertoire highlights include the Strauss “Vier letzte Lieder;”  Handel’s “Messiah;” Pergolesi “Stabat Mater;” the Mozart “Requiem;” and Mendelssohn’s “Elijah.” A gifted teacher and vocal coach, Ms. Sullivan is the artist in residence with the Oratorio Chorale, where she teaches vocal technique and coaches section sound and musicianship in collaboration with Artistic Director Emily Isaacson. Ms. Sullivan maintains a private voice studio in Brunswick.

Bass-baritone John David Adams is a versatile artist with a career spanning concert, opera, recital, and professional vocal ensembles. An active concert soloist acclaimed for performances in repertoire ranging from Baroque masterworks to world-premier compositions, he has appeared with orchestras, choral organizations, and musical ensembles across the country. Concert engagements in Maine and New England this season include a Monteverdi program with the Portland Early Music Festival; “Magnificat” settings by Bach,Telemann, and Mendelssohn; Alice Parker’s “Melodious Accord;” Brahms’ “German Requiem;” and Handel oratorios “Messiah” and “Esther.” He is a professional member of the New England-based Zenith Ensemble, Amethyst Chamber Ensemble, and Maine’s early music ensemble, St. Mary Schola. His diverse opera and stage credits range from Handel’s “Acis and Galatea” to Sondheim’s “Sweeney Todd,” in productions by Opera Boston, San Francisco Lyric Opera, Granite State Opera, Berkeley Opera, PORTopera (now Opera Maine), Apollo Opera, New England Light Opera, and Maine State Music Theater. He studied voice and opera at the Hartt School of Music and the San Francisco Conservatory of Music, and currently serves on the voice faculty of Bay Chamber Concerts Music School in Rockport. In addition to performing and teaching, he serves as Board Chair for OUT Maine based in Rockland.