Colin was the first non -Gibb brother to become an official member of the Bee Gees.
He played on the Albums. – Bee Gees’ 1st, Horizontal, Idea, Odessa, and Cucumber Castle.
He was an equal partner in the group from early in their period in the UK, and the Gibb brothers regarded his playing as essential to their sound. He also had an early acting career at age 9 in the Australian film ‘Smiley’.