BT & Matt Hales – Surrounded (7″ Mix) [Preview] BT and Aqualung's Matt Hales unite for the next single from impending Armada album A Song Across Wires. Related Posts: Alesso and Armin van Buuren unite two storied timelines on ‘Leave A Little Love’ Pendulum drummer KJ Sawka debuts new project with remix of BT’s ‘The War’