Another great year although not as impressive as the year that followed. Death metal was the clear dominant genre for me. And special thumbs up for featuring The Stone Roses on your non metal list

Here's my list for 89:

1. Running Wild - Death Or Glory
2. W.A.S.P. - The Headless Children
3. Morbid Angel - Altars Of Madness
4. Autopsy - Severed Survival
5. Sodom - Agent Orange
6. Sepultura - Beneath The Remains
7. Savatage - Gutter Ballet
8. Coroner - No More Color
9. King Diamond - Conspiracy
10. Pestilence - Consuming Impulse
11. Annihilator - Alice In Hell
12. Overkill - The Years Of Decay
13. Atheist - Piece Of Time
14. Bolt Thrower - Realm Of Chaos
15. Terrorizer - World Downfall

Absolutely another relevant year in metal.
It doesnt have that many masterpiece albums for me but there are several really great albums released that year.
My top ones are the following.

1. Sepultura - Beneath The Remains
2. Savatage - Gutter Ballet
3. Sodom - Agent Orange
4. Coroner - No More Color
5. Blind Guardian - Follow The Blind
6. Overkill - The Years Of Decay
7. Morbid Angel - Altars Of Madness
8. Running Wild - Death Or Glory
9. Cloven Hoof - A Sultan's Ransom
10. Kreator - Extreme Aggression
11. Obituary - Slowly We Rot
12. Helstar - Nosferatu
13. Rage - Secrets in a weird world
14. Annihilator - Alice In Hell
15. W.A.S.P. - The Headless Children
16. Autopsy - Severed survival
17. Whiplash - Insult to injury
18. Necrodeath - Fragments Of Insanity
19. Deathrow - Deception Ignored