Welcome to Diamond Music Group (DMG). DMG is a Scottsdale, Arizona-based company dedicated to developing artists in the music industry. This is possible through the producing and songwriting of 1990 EMI Recording Artist Everett Ross Harwood and voice/piano instructor Marci Harwood at their 5.1 Pro-Tools Mix Plus recording studio. Let us invite you to learn more about what Diamond Music can do for YOU! Come explore our Artist Development area and our Teaching area.