Help with MC loadMovie?

Hi, the problem is this:

I have the stage, and for the about button, I want it to loadmovie from within another MC.

The actionscript in the MC for loading the about.swf is simply

loadMovie(about.swf, 1);

and obviously there is something wrong, as when i preview the movie nothing happens at this stage, whereas I want it to then load about.swf on the main stage at level 1.

Please help if you can o.O

Many regards

NoRegrets