Elliott Yamin, Stevie Wonder, Donny Hathaway, The Beatles, Neil Diamond, The Fifth Dimension, Simon and Garfunkel, Elton John, Restless Heart, The Righteous Brothers, Elvis Presley, Roy Orbison, Buddy Holly, Jennifer Warnes, Bob Seger, Dan Fogelberg, Jim Croce, Josh Groban, Gloria Estefan, The Little River Band, Hall and Oates, Billy Joel, The Eagles, The Temptations, The Supremes, Marvin Gaye, Martha and the Vandellas, Beth Nielsen Chapman, Mary Chapin Carpenter, Enya, Lou Rawls, Sam Cooke, Air Supply, ABBA, The Bee Gees, Fleetwood Mac, Ray Charles, Norah Jones, Heart, Eddie Money, Eddie Rabbitt, Crystal Gale, Randy Travis, Josh Turner, Garth Brooks, Rascal Flatts, Keith Urban, Faith Hill, Shania Twain, Martina McBride, Barry White, Barry Manilow, Carole King, Carly Simon, Jackson Browne, James Taylor, Madonna, Mariah Carey, Diamond Rio, Steve Winwood, Phil Collins, Michael Martin Murphy, Michael Bolton, Linda Rondstandt, Aaron Neville, James Ingram, Roberta Flack, Peabo Bryson, Celine Dion, Whitney Houston, Alanis Morissette, John Cougar Mellencamp, Bruce Springsteen, Bonnie Raitt, Keith Whitley, Steve Wariner, Allison Krauss, Paula Abdul, Don McLean, Christina Aguilera, Al Green, Jimmy Buffett, The Carpenters, Chicago, Peter Cetera, The Commodores, Lionel Richie, Matchbox 20, Rob Thomas, Anne Murray, Dionne Warwick, Dan Hill, Frank Sinatra, Tony Bennett, Tim McGraw, Queen, Rod Stewart, Carrie Underwood, Clay Aiken, Kelly Clarkson, etc. and so on.