OT: Help with Broken Downloads Please

[batguano999]

 > I believe this confirms my view that there is something there!!! 
 > I assume running it through ffmpeg will sort it out but I need help with 
 > correct commands. 
 >  
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 > get_iplayer mailing list 
 > get_iplayer at lists.infradead.org 
 > http://lists.infradead.org/mailman/listinfo/get_iplayer 
 > 
Doh!
Your original post says they contain aac.
So an FFmpeg command would be like this...
ffmpeg -i foo.mp3 -c copy foo.m4a