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BUFFALO, N.Y. -- It's that time of year when many choirs are getting ready for their holiday services.

Current students and alumni of the vocal music program at St. Joseph's Collegiate Institute rehearsed on Monday night at the school on Kenmore Avenue.

Each year, this group comes together to sing the 10:00 p.m. mass on Christmas Eve at St. Michael's Church on Washington Street in Downtown Buffalo.

Enjoy the clip from their rehearsal above. You can hear more of them at mass Tuesday night at 10 at St. Michael's.