Metal ;Band •
Dave Padden – vocals, rhythm guitar •
Jeff Waters – lead guitar, bass, and lead vocals on "Operation Annihilation" •
Mike Mangini – drums ;Session members •
Danko Jones – vocals (track 2) •
Angela Gossow – vocals (track 2) • William Adler – guitars (lead) (track 10) •
Corey Beaulieu – guitars (lead) (track 8) •
Alexi Laiho – guitars (lead) (track 4) •
Michael Amott – guitars (lead) (track 6) •
Jeff Loomis – guitars (lead) (track 1) •
Anders Björler – guitars (lead) (track 5) •
Jesper Strömblad – guitars (lead) (track 7) •
Steve "Lips" Kudlow – guitars (lead) (track 3) • Jacob Lynam – guitars (lead) (track 9) • Allan Johnson – bass (track 11), backing vocals •
Dan Beehler – drums, vocals (track 11), backing vocals • Jacques Bélanger – backing vocals • John Perinbam – backing vocals • Paul Malek – backing vocals • Brian Stephenson – backing vocals • Bob Walden – backing vocals • Scott Walsh – backing vocals ;Miscellaneous staff • Jeff Waters – engineering, mixing, producer • Jeff Yurek – engineering • Andy Sneap – engineering • Vic Florencia – engineering • Ben Schigel – engineering (additional) • Adam Ayan – mastering • Gyula Havancsák – cover art, design
Metal II ;Band •
Stu Block – lead vocals •
Jeff Waters – guitars, bass, co-lead vocals •
Dave Lombardo – drums ;Session members • Danko Jones – vocals (track 4) • Angela Gossow – vocals (track 4) • Dan Beehler – drums, vocals (track 5) • Allan Johnson – bass (track 5) • Willie Adler – guitars (lead) (track 1) • Alexi Laiho – guitars (lead) (tracks 2, 7) • Steve "Lips" Kudlow – guitars (lead) (track 3) • Jesper Strömblad – guitars (lead) (track 6) • Jacob Lynam – guitars (lead) (track 8) • Jeff Loomis – guitars (lead) (track 9) • Anders Björler – guitars (lead) (track 10) • Corey Beaulieu – guitars (lead) (track 11) ;Miscellaneous staff • Mike Fraser – mixing, engineering • Maor Appelbaum - remastering == References ==