The final verse, “Though an infant now we view him,” comes from another of Montgomery’s hymn texts ... the signature finale at the Mormon Tabernacle Choir’s annual Christmas concerts.

“Welcome Home” was written by Andrea Brett, who attended the Sunday morning session to hear her hymn performed by the Tabernacle Choir. “This is the thrill of a lifetime,” she said.

Wilberg had already programmed this arrangement of “Silent Night” for the Mormon Tabernacle Choir’s Christmas Concert when, just a month before the concert (and quite by coincidence), he ...