Watch a vocal coach and songwriter react to Pentatonix’s stunning rendition of Hallelujah. We break down their harmonies, vocal arrangements, and the emotional delivery that makes this performance so ...

There are many reasons one might be annoyed at Pentatonix, the ruling a cappella group of our time. The singing quintet is hokey and saccharine in the way only a cappella groups can be. They were ...

Leonard Cohen’s “Hallelujah” gets a luminous, Pentatonix-style arrangement from the U.S. Air Force Band’s Singing Sergeants, a crowd favorite from summer tours to the White House. Their layered ...