Basically Play Pauses the song when it is safe to do so. when you die in a round
Copy the gamestate_integration_GSI.cfg file to C:\Program Files (x86)\Steam\steamapps\common\Counter-Strike Global Offensive\csgo\cfg
Play whatever you wanna play. be it song be it a youtube video. whatever
Get into game
Start the file by
when you first spawn and it detects that you are alive it will pause the media. opposite when you are dead.