I actually don't find it very uncommon for me.

Death - Human
Metallica - Master of Puppets
Guns n Roses - Appetite for Destruction
Gym Class Heroes - The Papercut Chronicles
Led Zeppelin - Led Zeppelin IV
Ensiferum - Ensiferum
Immortal Technique - Revolutionary Vol. 1
Eminem - The Marshall Mathers LP
Kalmah - Swamplord
Coheed and Cambria - In Keeping Secrets of Silent Earth: 3

I could go on for quite some time.