How do you say "in excelsis"? You know, Latin for "in the highest," like in "gloria in excelsis Deo" or "hosanna in excelsis," quotations from angels in songs we seem to hear a lot in December.

Smith idolised Jim Morrison and knew “Gloria” well enough. She gave her version a subtitle, “In Excelsis Deo”, and made it the first track on Horses, her influential debut album from 1975.