"Back 2 You" / "Still Grey" was released on 22 March 2004 as a standard 12-inch single by independent label Timeless Recordings.Timeless Recordings :: TYME027. rolldabeats. Retrieved on 29 September 2008 It was Pendulum's first and only release with the label to date, which has also released material for guest guitarist Evan Short's band, Concord Dawn.Timeless Recordings. rolldabeats. Retrieved on 3 October 2008. The song "Still Grey" was featured on the CD edition of Hold Your Colour, released in July 2005, but was later replaced by the song "Axle Grinder" when the album was reissued in July 2007.Breakbeat Kaos :: BBK002CD :: Hold Your Colour. rolldabeats. Retrieved on 3 October 2008. "Back 2 You" was not included on any other release by Pendulum, but was featured on two compilation albums including Drum & Bass Arena, mixed by Andy C.React Records :: REACTCD240 :: Drum & Bass Arena LP - Volume 2. rolldabeats. Retrieved on 3 October 2008.
