Load Sound in a mc. Help ASAP!

Hey guys,

here is my problem! I am trying to load a sound file into a mc (Onrelease) that lies within another mc. It works if i load it into the 1st mc…but if i try to load it into the one the lies within it…,it doesnt??? i am using the loadMovie function. here is my code

 on (release) {
 _root.music.loadMovie("starts_to_get_smooth.swf");
} 

can anyone please help!?