Harmonix Music Systems, Inc.

"Ever since we did Rock Band on this channel, you guys have been asking that we do it again! Well, guess what, Rock Band 4 comes out on October 6 so today is that day! So, if you preorder it, we have a link down below where you can do that, but if you preorder it, you get 30 bonus songs."

- Jovenshire

Harmonix Music Systems, Inc., also known by its business name Harmonix is an American video game development company based in Boston, Massachusetts. Founded in May 1995 by students  and, the company is known for its music games, and Dance Central, Rock Band, Fantasia: Music Evolved, and originally Guitar Hero. The company's first major game was the music game  (2001), whose development funded by Sony Computer Entertainment; successive releases saw impressive financial success, which brought the attention of several publishers that became interested in acquiring the company. In 2006, Harmonix was acquired by, a division of , and in 2010, Viacom sold the company off and it remains independent to this day.

Harmonix is an infrequent sponsor on Smosh Games, having sponsored an episode of Game Bang in October 2015 to promote its music game Rock Band 4.