what seems to be the problem? does it work with say.. a native .mp3?
There's so many mp3 converters out there it's insane. So it might take some searching to find a functional one that is free.
And, utorrent won't lag the internet as bad if you tweak it. Google 'utorrent tweaks' and you should be good.
I did use standard .mp3 in 2.10.2. The special music function works there. as for the new versions, i also had it working there, but so many versions exist now, it's quite hard to find out which ones it was confirmed to work in.

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No mean to derail the thread, but does anyone know if .s3m and .xm are supported?