In 1958, "Nel Blu Dipinto Di Blu (Volare)" by Italian singer Domenico Modugno hit No. 10 on the second-ever Billboard Hot 100 chart, becoming the first foreign-language top-10 hit. (The next week it ...

Benson Boone, Teddy Swims and Alex Warren are among popular artists who have dominated airwaves with vaguely religious music.