You can listen to music related to DooM, Heretic, Hexen, Strife, HacX and Chex Quest.
To download most of that music go to the links section ...
A Tribute to Doom - Dead Simple
Andrew Hulshult - IDKFA
Andrey Avkhimovich - Doom & Doom 2 Soundtrack Rebuild
Arachno Soundfont - Chex Quest, Doom, Doom 2, Hell to Pay, Perditions Gate, TNT
Ashley Carr - DooM, Doom 2, TNT Remixes
Aubrey Hodges - Doom 64, Doom PSX, Final Doom PSX
Bloodshedder - Doom, Doom 2, NES Remix
Bobby Prince - DooM Music
Bryan Celand - 3DO Doom
Clint Mansell - Doom OST
CoTeCiO - Doom Remakes
DeXiaZ aka Fantom - Doom Orchestral
Dimaension X - The Doom 2 Variations
DooM - The Dark Side of Phobos
Doom II - Delta-Q-Delta
elguitarTom - Knee Deep In Metal
J-War - Doom 2 remixes
Jay Reichard - DooM, DooM 2, Final DooM
JD Herrera - Heretic, TNT
Jim Lynch - HacX OST
Jose Beausejour - Doom
Kevin Schilder - Hexen, Hexen64
Kinkiness - Doom, Doom 2, Evilution, Heretic
Kira - Doom, Doom 2, TNT
Lightning Hunter - Heretic
LogicDeLuxe Remaster - DooM & DooM 2
Lorcan - TNT Remix
Mick Gordon - DOOM
Neurological - DooM, DooM 2
OverClocked Remix - Doom, Doom 2, Final Doom
Partition36 - Doom Remastered
Paul Smith - Post Doom Age
Per Kristian Risvik - Doom, Doom 2
Ransu - Chex Quest, Doom, Doom 2, Heretic, Hexen, TNT
Shane Strife - Chex Quest, DooM, DooM 2
Solarstudios - DooM, Doom 2, Heretic, Hexen
Sonic Clang - Classic Doom 3
Steve Rot - DooM Tribute - Hell On Earth & Phobos Anomaly
Sycraft - DooM, DooM 2, Heretic, Hexen, TNT
Xeltecon - Remix v3final, Remix vCyAn, Remix vCyRem2f
Xeotroid - Chex Quest, DooM, DooM 2, Heretic, Hexen, Strife, Plutonia
Yannick Carette - Doom, Doom 2, TNT
and many more ...