While "The Sing-Off" was never officially canceled by NBC, things looked grim for the a cappella singing competition, which hadn't aired since November 2011.
From the church choir stage to front-and-center on NBC's "Sing-Off" stage, Nederland native
In a video posted late last night, the a cappella world got a rush of excitement.
The long awaited Season 4 of T
Fans of the NBC show “The Sing-Off” may remember Michael O as the leading member of Season 3 ru