Jeff Jimerson has a voice so powerful and pure that it stands out regardless the song. Pair him with a great piece of music and the result is magical. His rendition of Emmylou Harris’ Light of the Stable has thrilled Christmas audiences in his native Pittsburgh for more than a quarter of a century. One listen and you’ll know why. The restrained opening quickly gives way to a three-octave tour de force that, like Christmas itself, builds in intensity before its glorious finish.