10. The machine-readable medium of claim 8 , wherein at least one characteristic in the first set of characteristics or the second set of characteristics is associated with a likelihood-of-interest by the member.
10. The machine-readable medium of claim 8 , wherein at least one characteristic in the first set of characteristics or the second set of characteristics is associated with a likelihood-of-interest by the member. 12. The machine-readable medium of claim 10 , wherein the recommendation for at least one new audio file comprises an ordered list of new audio files associated with characteristics, wherein the ordered of list of new audio files is ordered based on likelihood-of-interest by the member in the characteristics of the audio files in the ordered list of new audio files.