I originally streamed audio using wma files. However this does not work satisfactoralily these days due to changes with the way things work now.
After investigation, I decided to use the method described in the following article.
stream mp3s
I am dissapointed that I have to do this, since the mp3 files are larger than the original wma files.
If you need to convert your audio files to mp3, I have used the following piece of software.
Converter