Whitney Houston, Kenny G, Harry Chapin, Peter, Paul, and Mary, Pete Seeger, Arlo Guthrie, Melanie, Diana Ross (twice), Natalie Cole (twice), Beach Boys (3 times), Drifters, Coasters, Chuck Berry, Bo Diddley, Ricky Nelson, Shirelles (twice), Chantels, Marvelettes, Orlons, Box Tops, King Crimson, Jo Jo Gunne, Pink Floyd, Temptations (twice), Ray Charles, Fifth Dimension, Gary Puckett, Johnny Rivers, Don McLean, Little Anthony and the Imperials, Kingston Trio, Danny and the Juniors, Odetta, Gary Lewis and the Playboys, Buckinghams, Grass Roots, Tommy James and the Shondells, Turtles, George Carlin, Mickey Dolenz, Judy Collins, The Band, The Righteous Brothers, The Everly Brothers, Marshall Tucker Band, Tom Paxton, and 30 or 40 doo wop groups, at doo wop concerts in NYC. I know I probably forgot some. But that's to be expected, trying to remember concerts 50 years ago or so.