| Artist | Active | Genre & Styles |
|---|---|---|
| Marian Migdal | 1970s - 2010s | Classical, Keyboard, Chamber Music, Concerto |
| Marvin "Hannibal" Peterson | 1960s - 2020s | Jazz, Classical, Avant-Garde Jazz, Opera |
| Robert John "Mutt" Lange | 1970s - 2020s | Pop/Rock, Country, Easy Listening, Arena Rock, Hair Metal, Country-Pop, Hard Rock, Heavy Metal, Pop-Metal |