Question: Who were the members of the English rock duo that released "Only One Woman," a song later covered by the Swedish band Alien?
Sentence (from "The Walls Fell Down"): "The Walls Fell Down" is a second single by the English rock duo The Marbles, Lead vocals by Graham Bonnet it was released in March 1969, and it was written and produced by Barry Gibb, Robin Gibb, Maurice Gibb, of the Bee Gees, and was also produced by Robert Stigwood, it was recorded as a follow-up to "Only One Woman" but did not repeat the success of the previous single.
Relevant evidence: No