 Then at 19, he was discovered by Nick Ashford and Valerie Simpson, who chose him as their young music director and ushered him into the vibrant New York session scene where he plied his craft as an arranger and first call pianist in hundreds of records and Jingles.Chew is credited as arranger and or pianists in recordings for artists including Diana Ross, Luther Vandross, Roberta Flack and Donny Hathaway.3.