23 6 Alice Cooper Amy Grant Barbara Mandrell Barbra Streisand Barry Manilow Boz Scaggs Cher Chris Young Crystal Gayle Dan Seals David Foster Dolly Parton Earl Thomas Conley Eddie Rabbitt Electric Light Orchestra (ELO / E.L.O.) Gary Morris George Strait Hank Williams Jr. Hank Williams, Jr. Helen Reddy Joe Cocker Joe Diffie Joe Nichols Joe Nichols Judy Collins Julie Roberts Keith Whitley Kenny Rogers Kim Carnes Leo Sayer Linda Ronstadt Lonestar Lorrie Morgan Mandisa Melissa Manchester Olivia Newton-John Randy Travis Reba McEntire Rickie Lee Jones Ricky Van Shelton Russ Ballard Seals and Crofts Tavares The Pointer Sisters Toby Keith Toto Turner Nichols Vince Gill