I~m using a software called Audacity.You can bring any music (wav,mp3,etc) and convert to au , 16 bit, mono, but remember to use only a small part of the song otherwise the file will be very big and Tourviewer will loop the song. I hope this will help you.
Hello: Does anyone know how to convert the au files in audacity? If not, does anyone know of another software that I can download that will allow me to convert an mp3 to au?