Nick Ashford's peers: 
Ray Charles, Diana Ross & The Supremes, Marvin Gaye, Tammi Terrell, Aretha Franklin, Smokey Robinson, Gladys Knight, Ronnie Milsap, Teddy Pendergrass, Chaka Khan, The Shirelles, Chuck Jackson, and Quincy f*cking Jones. Oh, and also the award-winning, acclaimed poet Maya Angelou.Kurt Cobain's…