The Harvard University Choir and the Radcliffe Choral Society will combine to present their traditional Christmas Services this Tuesday and Wednesday in Memorial Church.

Under the direction of G. Wallace Woodworth '24, professor of Music the joint group will sing Tuesday at 8:15 p.m. and Wednesday at 4:15 and 8:15 p.m.

On the program are Welsh, Irish, and German carola and a group of English carola arranged by Voughan Williams. The chorus will also sing a special arrangement of Christmas Day to Coming" by Ruth Abbott. The congragation will be invited to join with the choras in singing the hymns "Voui Emmanuel" and "Adoste Fidelea."