Our Nigerian priest in Oklahoma had perfect pitch. The first time he broke into song during his homily, the sleepy, Midwestern congregation was shocked, but they got into the spirit of things after a few weeks!
He frequently sings in the pulpit - as in demonstrating the "lukewarm Christian", he sang "Oh, How I Love Jesus," while yawning, stretching, looking at his watch, shaking his watch . . . then sang it beautifully by way of contrast. A few folks in the pews were startled awake by all these goings-on . . .