[Pawnify]

To play a sound in a specific area, you must first get the coordinates of the area you want the sound to play in.

Then add;
PlayAudioStreamForPlayer(playerid, "http://somafm.com/tags.pls", X, Y, Z, Distance, 1);

X,Y,Z being the coordinates you chose..
Then distance being how big of a radius the place is.

To read more on PlayAudioStreamForPlayer goto https://sampwiki.blast.hk/wiki/PlayAudioStreamForPlayer