Fans may recall hearing that Sirs Paul McCartney and Elton, Bono, George Michael, Sting, Mary J Blige, Barbra Streisand and John Legend will appear on an album of duets.
They will perform with Tony Bennett, who turns 80 in August; the record will be released one month later.
The crooner, whose hits include I Left My Heart in San Francisco, first hit the charts in the fifties. Just last month, he won a Grammy for his latest cd.
He also recently signed a deal with record company Sony BMG, which described him as "one of the most legendary performers of all time".
Tony is currently on a tour of the U.S., which includes stops in Florida, California, New Jersey and Texas.