Artists for classic rock Slacker / Pandora radio station

These are bands currently listed for my Slacker classic rock radio station. Any suggestions for adding more artists?

Billy Joel
Elton John
Eagles
Fleetwood Mac
Phil Collins
Chicago
Journey
Genesis
Queen
John Mellencamp
Eric Clapton
Bob Seger
The Doobie Brothers
Stevie Nicks
REO Speedwagon
Creedence Clearwater Revival
Steely Dan
Boston
James Taylor
The Police
Styx
Paul Simon
Neil Diamond
Steve Winwood
Supertramp
Cat Stevens
Joe Cocker
Lynyrd Skynyrd
Neil Young
Kansas
Peter Frampton
Santana
Bruce Hornsby
The Allman Brothers Band
Led Zeppelin
The Doors
Jethro Tull
Steppenwolf
Foghat
Bad Company
Grand Funk Railroad
ZZ Top
Joe Walsh
Traffic
James Gang
Edgar Winter
Bachman-Turner Overdrive
Steve Miller Band
Billy Squier
Dire Straits
Stevie Ray Vaughan
Bob Dylan
Faces
Ten Years After
Molly Hatchet