Pentatonix locked down the top spot this week (Lewis Jacobs/NBC)
(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 the original 16 were back this week for their hardest challenge yet: hip-hop track night, where contestants were tasked with re-interpreting popular hip-hop tunes by stripping them down to the bones -- no synthesizers, no instruments, just human voices. According to R&B royalty judge Shawn Stockman, this episode is the first time a show on primetime has ever devoted an entire night to hip-hop, making it momentous for contestants and viewers alike.
"The Sing-Off" had another "first" this week: The bottom two groups went head-to-head at the end of the night for the first ever "Sing-Off" battle, taking on Nelly's club classic "Just a Dream." Nashville's The Collective faced off with The Yellow Jackets from Rochester University, but the country crooners had to bow out of the competition outRead More »from ‘The Sing-Off’ Week 6 Recap: This Week’s Top Five