17.06.2015, 19:10
You can do a position check with IsPlayerInRangeOfPoint and if the player is near that place you can use PlayAudioStreamForPlayer to start the music.
https://sampwiki.blast.hk/wiki/PlayAudioStreamForPlayer
https://sampwiki.blast.hk/wiki/StopAudioStreamForPlayer
https://sampwiki.blast.hk/wiki/PlayAudioStreamForPlayer
https://sampwiki.blast.hk/wiki/StopAudioStreamForPlayer