Kelly Bailey has been played on NTS shows including Delivery Presents: Haan, with Valve Theme [Extended] first played on 1 December 2020.

Kelly Bailey is a composer, musician and programmer. He was the senior game designer of sound and music at Valve until he left in 2011 with Mike Dussault, to concentrate on their project Sunspark Labs LLC. Valve composer Mike Morasky mentioned in February 2014 that Bailey had returned to Valve but in a February 2016 article on Forbes it was reported he has founded his own company, IndiMo Labs, and he is no longer with Valve.

Around March 2011, Kelly Bailey left Valve…