This year marks the 100th anniversary of the first collaboration between Gilbert and Sullivan. In honor of that momentous musical/dramatic event, Kirkland House will present a modern. Staged version of their first joint effort. Trial by Jury.

And on Sunday afternoon, don't miss the first authentic performance of Tchaikovsky's 1812 Overture on this continent since last May. Once again, Lowell House's Russian Bells will assist the St. Lowell-in-the-Fields Orchestra in an outdoor, sightreading extravaganza.

Saturday:

Trial by Jury, and scenes from Ruddigore, Yeomen of the Guard, and Princess Ida: Cathy Gratto, director, Gerald Moshell, conductor; Kirkland JCR; 8:30.

Works of Tchaikovsky, Beethoven, and Brahms; Ellen Bridger, cello, and Beth Levin, piano; Lowell JCR; 8:30.

Sunday:

Tchaikovsky's 1812 Overture, an open sight-reading; Lowell Courtyard.

Vivaldi's Four Seasons: I Solisti di Mather; Mather Courtyard.

Music by Harvard Composers: the Annex Players; Paine Hall;

Songs by Haydn, Mozart, Faure, Dowland, and Schubert; Myra Durkin, soprano, Charies Fisk, piano, and Jim Meadors, lute; Currier SCR; 8:30.

More Gilbert and Sullivan--see Saturday's listing.

Wednesday:

Works of Reicha, Brahms, Schubert, and Poulenc; students from Music 180; Paine Hall; 8:30.