Students performed holiday favorites like "Let It Snow" and "All I Want for Christmas;" moving numbers like "Bring Him Home" from Les Miserables; and jazzy tunes like Louis Prima's "Jump, Jive an' Wail."
In one of the most moving moments of the evening, school officials said, was when chorus director Gail Persad invited the audience to join in as students sang John Lennon's "Imagine."
Persad said that 2015 had been a difficult year worldwide, adding that Tuesday was the anniversary of the former Beatle's death.
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