Problem between loadmovie and sound of loaded movie

hi, i made an swf which uses sound events and it plays fine.
the sounds are dealed with new sound, somesound.attachsound,
somesound.start, somesound.stop and so on, the linkage properties
are something like 'export for actionscript' and 'export in first
frame' checked. the movie plays ok when i watch it with swf player
or in a web page. the problem arises when i set a preloader in an
external file, the main movie is mainly pictures so it would remain
as a blank screen while loading, so i had to make an external
preloader, but when the main movie plays loaded by the preloader,
the sounds controlled via actionscript wont play, any pointers or
suggestions?
tnx

flash is probably looking for those linked sounds in the
_level0 library.
to remedy, use whatever=new Sound(this); instead of
whatever=new Sound() when instantiating sound objects in your
external swf.

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