Caspa is the stage name of Gary McCann, a dubstep music producer from West London.
McCann's creative involvement in music began after a promising basketball career was cut short by a shoulder injury. Growing up, McCann cites Jungle and Hip Hop as his main influences. He received his first public attention when, his first track, Bassbins recorded under the pseudonym Quiet Storm, was picked up by BBC Radio 1Xtra's DJ Da Flex.
McCann has started his own label, which focuses on dubstep and grime artists. Storming Productions was founded in 2004 and then he joined Stingray Records in 2006. Around this time, he also began his own radio show on RinseFM. McCann also created an additional label Dub Police to focus specifically on Dubstep. Dub Police is composed of Rusko, L-Wiz, N-Type, The Others and more.