The Harvard Glee Club, Radcliffe Choral Society, and the Bach Society Orchestra will combine tomorrow night at 8:30 p.m. in Sanders Theatre for their annual Christmas Concert. The program will include the American premiere of the entr'acte music from Mozart's Thomas, Konig in Aegypten.

Other featured compositions are Bach's Cantata 192, Nun Danket Alle Gott; Marc Antoine Charpentiers' Messe de Minuit; and several traditional French Christmas carols.