Pentatonix – “Aha!” Music Video Debut! 10/23/2012 mj santilli The Sing-Off 13 The Sing Off winners, Pentatonix, debut their new music video for “Aha!” their Imogene Heap cover, a cut on their recent debut EP. The story has a SPOOKY HALLOWEEN THEME! Will the couple at the center of the action survive the attack of the 5 zombies? Maybe, maybe not! Check it out. Pentatonix
