While I was searching for the soundtrack of Mole Mania I was lucky enough to find it easy on YouTube. So enjoy it!
https://rapidshare.com/#!download|966p1|684190257|Mole_Mania_OST.zip|6047 2|0|0|1|referer-C4BDD21A8F3DA8E4982E82017B8CC27B
Thanks a lot to Gerudochu for the gamerip.
http://www.youtube.com/watch?v=S3yf3g_THRw

Wow, thanks! I've been looking for this a few months ago, but turns out you've found it just one month ago :D