Problems with DRM protected WMA file conversion

Ok this is my first post on the site, so 'm sorry if this is in the wrong place or anything.

I bought 2 songs from the 'rip it' music store in Dick Smith yesterday and they were saved to my USB stick in the store.

When I got home, however, I connected the USB stick to my computer (3 month old iMac) to find that the songs I had bought were WMA files.

-I first tried downloaded Windows Media Player for mac version 9.1 but that couldn't play them.
-The Microsoft website recommended downloading the older 'classic' WMP if files wouldn't play, but that didn't work either.
-I have tried Switch but that put a red cross next to the files and wouldn't convert them.
-I also tried another free download; NoteBurner but that was no help because it can only convert files once they're in iTunes.




I have found out that the songs are DRM protected which is part of the problem (I think).
I bought these songs 100% legally and I just want to be able to play them in iTunes or at all on my mac.
If anyone knows of an online converter or knows anything, let's be friends.