M through O

Manowar
Battle Hymns (1982)
Into Glory Ride (1983)
Sign of the Hammer (1984)
Kings of Metal (1988)

Mercyful Fate
Melissa (1983)

Metal Church
Metal Church (1985)
Blessing in Disguise (1989)

Motorhead
Ace of Spades (1980)
No Sleep 'til Hammersmith (1981)
No Remorse (1984)
Rock N' Roll (1987)

Napalm Death
Scum (1987)
From Enslavement to Obliteration (1988)

Old
Old Lady Drivers (1988)

Onslaught
The Force (1986)

Overkill
Feel the Fire (1985)
The Years of Decay (1989)

Ozzy Osbourne
Blizzard of Ozz (1980)
Diary of a Madman (1981)
Bark at the Moon (1982)
No Rest for the Wicked (1989)