Claim: Barry Gibb was in a band which became the disco group the Bee Gees.
Evidence: Barry Alan Crompton Gibb , -LRB- born 1 September 1946 -RRB- is a British singer , songwriter and record producer who rose to worldwide fame as a co-founder of the group Bee Gees , one of the most commercially successful and critically acclaimed groups in the history of popular music.