'The Sing-Off' has apparently hit all the right notes with NBC.

According to the Hollywood Reporter, the reality singing competition has just received a second-season order after a strong performance during its four-episode run in December; 7.25 million viewers tuned in to watch Nota, a six-piece group from San Juan, take home the $100,000 prize and a recording contract with Sony Music -- not bad for a week's worth of harmonizing.'The Sing-Off' has apparently hit all the right notes with NBC.

According to the Hollywood Reporter, the reality singing competition has just received a second-season order after a strong performance during its four-episode run in December; 7.25 million viewers tuned in to watch Nota, a six-piece group from San Juan, take home the $100,000 prize and a recording contract with Sony Music -- not bad for a week's worth of harmonizing.

NBC hasn't set a premiere date yet for season 2, or announced whether the show's original judges -- Ben Folds, Pussycat Dolls' Nicole Sherzinger and Boyz II Men's Shawn Stockman -- will return. The same goes for host Nick Lachey.

In case you missed the original run, check out clips from 'The SIng-Off' courtesy of SlashControl.