McCann's creative involvement in music began after a promising basketball career was cut short by a shoulder injury.

[2] 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.

[2] He has performed at a number of high-profile UK music festivals, including Glastonbury and Global Gathering and his release Back for the First Time has received widespread public attention, being playlisted on BBC Radio 1.

[2] His debut album Everybody's Talking, Nobody's Listening was released on 4 May 2009 on Caspa's own label Sub Soldiers/Fabric Records and included an appearance from legendary reggae figure Sir David 'Ram Jam' Rodigan.

[6] In August 2012, it was announced that Caspa and various notable electronic music producers would be featured on the Halo 4 remix album.