When I was in college as part of a choral ensemble, Handel's Messiah was the usual December offering, as you might expect. However, one year, we performed John Rutter's Gloria, and it's really a lovely, underrated work. That was many years ago, which is why it's hard to believe I once had the voice to sing the "Miserere" soprano solo line in the Domine Deus section, which you can listen to below:
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