Which of Robin Gibb's siblings were featured in Mythology?
Mythology (Bee Gees album): Mythology is a box set compilation of recordings by the Gibb Brothers, mostly performed as the Bee Gees, arranged in a four disc set each highlighting a Gibb brother. Robin Gibb: Robin Hugh Gibb (22 December 1949 – 20 May 2012) was a singer, songwriter and record producer, who gained worldwide fame as a member of the pop group the Bee Gees, with his brothers Barry and Maurice Gibb, his fraternal twin.
Barry and Maurice Gibb