Most of the wma RealTracks seem to be @48kbps then 128 then 160.
I purchased the wma RealTracks and was very impressed, I and wanted to put
them on cd so i got the Audiophile version.
Here is a Guitar wav & wma @160kbps
EG0021-1.wav Audiophile



EG0021-1.wma @160kbps