FRIDAY

Organ Recital by Tomoko Akatsu. Works of Buxtehude, J. S. Bach and Purcell. 131 Cambridge Street, Boston, 12 p.m.

Organ Recital by Lenora McCroskey. Works of Hindemith, Messiaen, Raison and Reubke. Memorial Church, 8:30 p.m.

SATURDAY

Yale School of Music Chamber Players perform works by Yale composers including Hindemith, lves and Proter. 11 Garden Street, 8:30 p.m.

Boston Camerata performs vocal and instrumental chamber music from the 17th and 18th centuries. Daniel Pinkham, guest conductor. Sanders Theatre, 8:30 p.m.

SUNDAY

South House Music Society presents Peter Hatch, viola; Beth Levin, piano; with Bryan Epperson, cello. Works of Bach, Beethoven, Brahms and Schubert. Cabot Living Room, 8 p.m.

Brandenburg Party features open reading for winds and strings of J.C. Bach Symphony in B flat, Opus 18 No. 2; Mozart Symphony No. 36; and Beethoven Piano concerto No. 2. Tanya Bartevyan, soloist. Bring a stand. Dunster Library, 3 p.m.

WEDNESDAY

Harvard Chamber Players, a group of performers from Music 180, interpret Schubert's String Quintet Opus 163 and Beethoven's Piano Trio Opus 97, the "Archduke". Paine Hall, 8:30.