From this guy's site: "Leave it to Marty....She knows what happened: Oh, and a side-note on the 'boo-ing of Hillary' at the McCartney concert---in reviewing the tape, something happened during the ending of Macy Gray's set....the chorus sang a line, and she shot them a look that would have chilled Datan's soul, and then she walked off, before the number was finished. There are a couple of beats missed, and then, frantically, there's Paul Shaffer cueing the back-up singers to finish the chorus, they do, the band crescendo's and the song 'ends'. I believe what was perceived as booing for ...