Former Chic Member Alfa Anderson Celebrates the Life of Music Legend Luther Vandross with New Single to be Released on the Late Icon’s Birthday When Luther Sings Available Nationwide April 20 New York, NY (April 18, 2017) – Alfa Anderson, former member of the iconic funk soul band Chic (Le Freak, Good Times, Everybody Dance), will release a new single, "When Luther Sings," in honor of her longtime friend Luther Vandross 66th birthday. The rousing, heartfelt tribute is written by Anderson and…