Catalyst Bars, also known as simply Catalyst, real name Stephan Roubinian, is a rapper based in LA, USA.
He has a mixtape series in three parts named "Cat's Life" that is available for free on his Bandcamp.
Together with Obvi they have a rising hip-hop duo called Alien Family. Read more on Last.fm. User-contributed text is available under the Creative Commons By-SA License; additional terms may apply.