So... because AOT recently concluded, I decided to honor the anime in my own way by creating an CS2 Unofficial music kit.
Timestamps:

00:00 Main Menu
03:39 Choose Team
04:13 Start Round 1
04:28 Start Action 1
05:00 Start Round 2
05:14 Start Action 2
05:38 Start Round 3
05:53 Start Action 3
06:28 Bomb Planted
06:58 Bomb 10 Seconds Countdown
07:08 Round 10 Seconds Countdown
07:18 Win Round
07:26 Lost Round
07:35 MVP Anthem
07:46 Deathcam

Songs used in this Music Kit:
"The Rumbling" by SiM
"Boku no Sensou" by Shinsei Kamattechan
"Guren no Yumiya" by Linked Horizon
"Shinzou wo Sasageyo!" by Linked Horizon
"Jiyuu no Tsubasa" by Linked Horizon
"UNDER THE TREE" by SiM
"Red Swan" by YOSHIKI HYDE
"great escape" by cinema staff