McCann also discovered Roberta Flack, while his music has been sampled by hip-hop stars such as Nas, Snoop Dogg and A Tribe Called Quest.Les McCann, the Grammy-nominated jazz pianist, composer and vocalist who discovered a young Roberta Flack, and whose own works have been sampled by countless hip-hop artists, died on Friday, December 29, at the age of 88. Born Leslie McCann on September 23, 1935 in Lexington, Kentucky, the musician would become one of jazz’s “most gifted and influential artists,” according to a statement from Kevin Gore, president of Global Catalog, Recorded Music for Warner Music Group. McCann’s family...