Amfar New York Gala

Amfar New York Gala

Amanda Gordon/Bloomberg

Janelle Monae's set at the end of the evening consisted of "I Want You Back" by the Jackson 5, the standard "Smile" and her "Tightrope," which she ended by descending the stage in a black cape, dancing through the crowd -- and right past Goldman Sachs partner Marty Chavez.