Ailing Bee Gees star Robin Gibb was forced to scrap a planned appearance at the launch of his new classical project in London on Tuesday because he was too ill.
The singer, who is battling colon cancer, had hoped to be back on his feet in time to attend at the Titanic Requiem concert, marking the 100th anniversary of the luxury liner's ill-fated voyage, at the Royal Albert Hall.
However, the concert came days after the singer was hospitalised with pneumonia, and he wasn't well enough to make an appearance.
His son Robin-John, who co-wrote the symphonic piece, told the audience that his father was still recovering in a clinic.
Before the performance, he said: "He sends all his love. We are all praying for him and hoping he has a speedy recovery."
The hitmaker was told last month he is on the mend after fighting liver and colon cancer for a year with weekly chemotherapy sessions.
His bandmate and brother Barry is believed to have flown to Britain from Tennessee on Saturday to hold a vigil at his hospital bedside.
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