Subfolders of downloads folder

I'm using OpenCart 1.4.9.2, and Q's Download Auto-Insert mod (http://theqdomain.com/ocstore/dl_auto_insert). The store I'm working has a lot of digital products to sell (it's a record company), and I was wondering if it was possible to create subfolders of the downloads folder to store files in.

It gets quite unmanageable when you have

01 - Some Band's Song.mp3
01 - Another Band's Song.mp3
01 - And Another Song.mp3
02 - First Band's Second Song.mp3

and so forth, and therefore it'd be much nicer if files could be organised into artist and album directories respectively. Is this doable?

Sure it's possible to code like that, but you would need to do quite a bit of coding

I know this is a very old post but I am also looking for a solution for this problem - Did this get solved or does anyone know how to have subfolders in /download for product downloads

Thanks
Mark