Since I Left You is the debut studio album by Australian electronic music group The Avalanches, released on 27 November 2000. It was issued on Modular Recordings and produced by The Avalanches' members Robbie Chater and Darren Seltmann (under the pseudonym Bobbydazzler). The album is known for its extensive use of sampling, containing an estimated 3,500 vinyl samples from various genres of music.