Saturday, December 1

The 4th annual Barroom Messiah gives you the opportunity to sing Part I of Handel’s 18th century oratorio with a live orchestra and pro soloists in the comfort of a local bar: Blue (650 Congress St., Portland). Rehearse at 2 p.m., perform at 4:30. Free (donations accepted; all ages). 774-4111. portcityblue.com.