A line-up of singing/playing partners that only the Chairman of the Board could command: Aretha Franklin, Barbra Streisand, Natalie Cole, Carly Simon, Bono, Kenny G., Anita Baker, Aretha Franklin, Julio Iglesias, Gloria Estefan, Liza Minnelli, Luther Vandross, Charles Aznavour and Tony Bennett (doing New York, New York !).