Yahoo! Music - Alicia Keys, Usher, Patti LaBelle, Cissy Houston, Ashford & Simpson, Stevie Wonder, Aretha Franklin, and Dionne Warwick were among the thousand-plus mourners in Harlem's Riverside Church in New York City on Friday (July 8) to pay final respects to Grammy-Award winning singer Luther Vandross, who died from stroke-related complications on July 1.{br}{br}View the Entire Article{br}{br}Click Here to Launch in a new Window