Colin Edwin (born 2 July 1970) is an Australian
progressive rock musician. Since December 1993 he has been a member of the British band
Porcupine Tree, where he plays both fretted and
fretless bass guitar as well as double bass and
guimbri. Edwin is also a member of Ex-Wise Heads, a long running collaboration with multi instrumentalist
Geoff Leigh mixing ethnic, ambient, and post-modern influences, as well as a metal-influenced project, Random Noise Generator and the band Metallic Taste of Blood.