Deer Park is an indie folk band made up of Mark Christopher Grassick (vocals, guitar), Ian Olney (guitar, banjo, mandolin), Simon Endacott (bass), LIzzy O'Connor (vocals, banjo, mandolin, accordion) and Matthew Boulter (lap steel, pedal steel, vocals). The band is currently based in London and released its self-titled debut in October 2009. The record was produced by Paul Hollingsworth of Gold Future Joy Machine and features guest appearances by Paul Megna (The Oxygen Ponies), Randi Russo, Mark Andrew Hamilton (Woodpigeon), and Tom Lewis (Stagecoach).