Sirens In The Distance by Simon Viklund.  From the Payday 2 Official Soundtrack.

Simon Viklund- Sirens In The Distance

C&amp;C Tiberian Sun Music (Mutants)

The remake version of Act On Instinct from Original Command & Conquer

(Short Version)

Decided to post one of my favorite songs from the game here so I could listen to it offline.