'60s:

• Donovan
• The Mitchell Trio
• The Smothers Brothers
• The Monkees
• The Beatles
• Creedence Clearwater Revival
• Glen Campbell
• The Beach Boys
• The Animals
• Bob Dylan
• Arlo Guthrie

'70s:

• John Denver
• Warren Zevon
• America
• Harry Nilsson
• The Nitty Gritty Band
• The Oak Ridge Boys
• Little River Band
• Don Williams
• James Taylor
• Jackson Browne
• Eagles
• Steve Miller Band
• Alan Parsons Project

'80s:

• Bon Jovi
• Def Leppard
• Bad English
• John Cougar Mellencamp
• Bryan Adams