Yep, that’s right. Webcomic theme music. Ordered by series:

Silent Shadow: Hawk & Wolf
Hawk & Wolf Opening Theme: “The Night” by Heart from Brigade
Rowan’s Theme: “Hand that Feeds” by Nine Inch Nails
Syleth’s Theme: “Down with the Sickness” by Disturbed from The Sickness
Rowan vs Kira: “Kick Him When He’s Down” by The Offspring
Syleth vs Kira: “Juke-Joint Jezebel” by KMFDM
Rowan & Syleth vs Kira: “Black” by Sevendust and “Hysteria” by Muse
Rowan & Syleth (final scene) “Walking With a Ghost” by Tegan & Sara
Ending Theme: “Where I Belong” by Perfect Enemy
Ending Theme (alternative): “So Far Away” by The Goo Goo Dolls from Superstar Car Wash

Miscellaneous (Mood-music)
“Never Too Late” Three Days Grace
“Life is Beautiful” Sixx:A.M.

Anything from from Indestructible by Disturbed.