A nine-piece professional vocal group from Los Angeles in which everyone can sing lead, with all members coming from very strong musical backgrounds. ( Twitter: @Kinfolk9 ) Formed in 1956, the ...

The final four "Sing-Off" groups tackled mastermixes last night (Lewis Jacobs/NBC) For the four groups that rose to the top of "The Sing-Off's" competitive a cappella battle, tonight was the final ...

“The Sing-Off” isn’t the most high-profile reality talent show on television. But who cares? Unlike its competition, NBC's a cappella contest is nothing but fun, from the introductory group medleys to ...

Pentatonix won over America's hearts on the a cappella singing competition TV series "The Sing-Off" last fall, and now the five-member group hopes to win over fans with its new debut EP, "PTX Volume 1 ...

It’s not often that canceled TV shows get a second life. But after more than two years off the air, NBC’s scrappy vocal competition show “The Sing-Off” returns for a fourth season on Monday at 9 p.m. ...

(Hulu) — "The Sing-Off" was back for a sixth episode after last week's devastating double elimination, where two groups were sent home after hitting a sour note with the judges. Eight groups out of ...