on region enter:

    if {sound::%player%::region} is not set:

        set {sound::%player%::region} to "map"

        play sound "custom.mapbgm" with volume 5 and pitch 1 at player for player

    else if {sound::%player%::region} is not "map":

        stop sound "custom.worldbgm" for player

        play sound "custom.mapbgm" with volume 5 and pitch 1 at player for player

        set {sound::%player%::region} to "map"

on region exit:

    if {sound::%player%::region} is "map":

        stop sound "custom.mapbgm" for player

        delete {sound::%player%::region}
이 구문에 있는 것과

on region enter:

    if {sound::%player%::region} is not set:

        set {sound::%player%::region} to "world"

        play sound "custom.worldbgm" with volume 5 and pitch 1 at player for player

    else if {sound::%player%::region} != "world":

        stop sound "custom.mapbgm" for player

        play sound "custom.worldbgm" with volume 5 and pitch 1 at player for player

        set {sound::%player%::region} to "world"

on region exit:

    if {sound::%player%::region} is "world":

        stop sound "custom.worldbgm" for player

        delete {sound::%player%::region}
이 구문에 있는 bgm을 합쳐서,map구역에 가면 mapbgm이 나오고, map구역에서world구역에 가면 worldbgm이 나오게 하고 싶습니다..
근데 계속 한가지 브금만 들립니다..
어떻게 해야 할까요..