HMP myspace page:

myspace.com/heavymetalperse

HMP related bands:

The Carnival
Domination Black
Guardians of Mankind
Kirwes
Merging Flare
U.I.C.
Other bands:

AC/DC
Gamma Ray
Helloween
Indica
Judas Priest
Queen
Rage
Running Wild
Swallow the Sun
Symphony X

Other:

Finnish-Metal.net
FinnMetal.net
Imperiumi.net
Inferno Magazine
Jumalan Sana
MC Mökä
Metalscope.net
Pikametallimiehet
Vapaa-aikavirasto.com