Ollie Holmes and Martin Peacock, also known as BAR9, were a dubstep duo based in England, UK. BAR9 began releasing music in early 2008, with early works such as Midnight and Malicious Tactics capturing the attention of the emerging dubstep community. 2010 saw the duo release Piano Tune as an AB single with Motion, which became two of the most seminal dubstep tracks from the underground scene in the 2010s.