Derudaf Forever is a live album by Danish rock band Gasolin', released 15 years after it was recorded.The success of the Rabalderstræde Forever compilation in 1991 was followed by this live album in 1993. It was Gasolin's third live album, the other two are Live Sådan and Live i Skandinavien. Derudaf Forever contains 18 songs recorded by Sweet Silence Mobile Studio in 1976 and 1978.It was released as a double LP and single CD and was produced by Franz Beckerlee.