Jalacy J. "Screamin' Jay" Hawkins was an American singer-songwriter, musician, actor, film producer, and boxer.

Pentatonix tackled the ever popular 'Hallelujah' by Leonard Cohen and knocked it out the park.

Pentatonix is an American a cappella group from Arlington, Texas, currently consisting of vocalists Scott Hoying, Mitch Grassi, Kirstin Maldonado, Kevin Olusola, and Matt Sallee.