Singer making 'spectacular' recovery after being diagnosed with colon cancer last year
David English claims sick singer wants to team up with his brother for a tour when he recovers
The singer speaks out after reports circulate that he's battling liver cancer
Singer's condition is 'not good' according to family friend
Pop star being treated for inflammation of colon
Singer pulls out of shows after health worries
Robin and Barry Gibb reveal they are planning gigs
Includes four-disc tribute to each Gibb brother
Brothers Gibb are 'delighted' at move
'Stayin' Alive' helps people stay alive