How to Open music in Game?

1.You need the program name SLAM (Source Live Audio Mixer)
2.Open program
3.Import your music
4.set hotkey
5.set volume
6.click start
7.Open in game console
8.type "exec slam"
9.type "la"
10.type music number
11.press your play hotkey
12.DONE!!!


SLAM Website[slam.flankers.net]