Ok, so back in the days, was having fun making all the files for the PSP

PIC1.PNG
PIC0.PNG
ICON0.PNG
SND0.AT3
ICON1.PMF

I have the tuts from then and able to make all these files for the PS3 EXEPT for the PMF file, the ones I make dont work. should they? or are they different for the PS3?

any advice
thanks