The star said there is "no question" he would have loved to have shared this special day with his brothers.
Their 1969 single caused Robin Gibb's temporary departure from the trio.
The incredibly successful, all-too-short career of the Bee Gees' younger brother is celebrated on a new 'Very Best Of' collection.
They have one of the most admired catalogues in popular music, and uDiscover salutes it with this playlist of the Bee Gees In 20 Songs.
The 40th anniversary edition of the Saturday Night Fever soundtrack will be released in expanded commemorative configurations on 17 November 2017.
Barry Gibb's Glastonbury show in June 2017 took place just before the 50th anniversary of the first international album by the Bee Gees, Bee Gees' 1st.