Dionne Warwick

OK...first of all let me say that Dionne was amazing! She came on ( unaided!!....she is over 75!!)...sang her heart out...hit after hit after hit...not even stopping to take any drink!.....but then after an hour or so into her performance, she wanted to introduce a special guest!...WHO!?..we all thought!!??..which one of her past collaborators would it be???....Stevie Wonder?...Elton John?...Gladys Knight?....Hal David?...Burt Bacharach!????.....and then on came.....her son!!!...who then sang w...