This British-Australian singer was a member of a rock duo which became associated with the members of what band?
Trevor Gordon: Trevor Gordon Grunnill (5 May 1948 - 10 January 2013) was a British-Australian singer, songwriter and musician. Trevor Gordon:  He was a member of the late 1960s English group the Marbles, whose biggest hit was the UK No. 5 "Only One Woman". The Marbles (duo):  They also became associated with the Bee Gees members Barry, Robin and Maurice Gibb at that time.
i don't know