Default BIS music tracks found on OFP Resistance are as follows.

Default OFP Cold War Crisis tracks:

track1
track2
track3
track4
track5
track6
track7
track8
track9
track10
track11
track12
track13
track14
track15
track16
track17
7thoverdose
7thlifeless
7thimgonnafly
7thdecide
7thdarken
7thmylife

OFP Resistance tracks (includes the above CWC tracks too):

rtrack1a
rtrack1b
rtrack2
rtrack3
rtrack4
rtrack5
rtrack6
rtrack7
rtrack8
rtrack9
rtrack10

To play these tracks you need to use the playMusic command, like this

playMusic["7thlifeless",0];