Byla is an American ambient duo, formed in Brooklyn, NY in 2003 by Colin Marston (Behold... The Arctopus, Dysrhythmia, et al.) and Kevin Hufnagel (Dysrhythmia). They released their eponymous debut album in 2005.Byla creates predominantly instrumental music, although in 2007, they released an album as a collaboration with diverse vocalist Jarboe (Swans).