ok o.o (srry but this is my first time doing a guide XD rofl)
1st:go into ur computer,into nexon,into combat arms,into game,into bgm.
2nd:u see BGM_LOOP ? get a song u want to listen in lobby/room/shop/etc in mp3 format.
3rd:when u get one song u copy and paste it into the bgm folder.
4th:right click on the BGM_LOOP and press rename then copy the name BGM_LOOP.
5th:delete the BGM_LOOP after u have copied the name, now u right click the song u wanted to listen in lobby/room/shop/etc.. and press rename and make the song name BGM_LOOP EXACTLY (paste the copied BGM_LOOP onto the song name) and then ur good to go.
Credits to omgd00d123 for his other guide but then that was years ago when it was closed beta and they changeded combat arms UI and had different sounds for lobby. :O!u dont have to press thanks give the thanks to omgd00d123 and if u have any problem post it o.o ty for reading this easy *** dam guide and
PS:U COULD JUST TURN OFF THE SOUND OF COMBAT ARMS IN OPTIONS AND like o.o go and put on some music that works too rofl no hard work rofl! o wells have fun and dont get ppl raging with ur mtherfking epic haxs o.o o.o im legit rofl