{| class="wikitable" style="text-align:center"
! rowspan=2 | Rolle
! colspan=9 | År
|-
! width=10% | 1979–1983
! width=10% | 1983–1986
! width=10% | 1986–1987
! width=10% | 1987–1989
! width=10% | 1989-1993
! width=10% | 1993–1996
! width=10% | 2002
! width=10% | 2002–2008
! width=10% | 2008–
|-
! Vokal
| colspan=8 | [[Eric Wagner]]
| colspan=1 | [[Kory Clarke]]
|-
! Guitar
| colspan=9 | [[Bruce Franklin]]
|-
! Guitar
| colspan=9 | [[Rick Wartell]]
|-
! Bas
| colspan=1 | [[Ian Brown (musiker)|Ian Brown]]
| colspan=1 | [[Sean McAllister]]
| colspan=5 | [[Ron Holzner]]
| colspan=2 | [[Chuck Robinson]]
|-
! Trommer
| colspan=2 | [[Jeff Olson (musiker)|Jeff Olson]]
| colspan=1 | [[Dennis Lesh]]
| colspan=1 | [[Ted Kirkpatrick]]
| colspan=1 | [[Barry Stern]]
| colspan=3 | Jeff Olson
| colspan=1 | [[Mark Lira]]
|}
Musik Foreninger Organisationer