the Catallyst Tracks Albums Pictures Videos Events Biography Similar Artists Charts Tags Listeners Journal News Groups More… Pictures Upload an image Upload an image Listen to, buy or share Add to library Play radio Buy Buy Amazon Search eBay Search Share Share Facebook Twitter Google+ Email 22 scrobbles 3 listeners Not many people have scrobbled the Catallyst recently. Learn more about scrobbling Tags Everyone’s tags metal hard rock toronto progressive alternative Tag the Catallyst More tags Biography We don’t have a description for this artist yet, care to help? Listening Trend 3listeners all time 22scrobbles all time Recent listeners trend: Start scrobbling and track your listening history Last.fm users scrobble the music they play in iTunes, Spotify, Rdio and over 200 other music players. Create a Last.fm profile Shoutbox Leave a comment. Log in to Last.fm or sign up.