The lack of affiliate links has nothing to do with honour, he's doing it to try and avoid having to take down the music used: http://theraptest.com/copyright.html
My thought was that he may be able to use the iTunes 30 second previews but after looking into it further I think this would qualify as "the main focus [..] of a web experience".
> 5. Song previews can only be used to promote the track. They cannot be used for entertainment independent of that purpose, or as the main focus of an App or web experience.
> 5. Song previews can only be used to promote the track. They cannot be used for entertainment independent of that purpose, or as the main focus of an App or web experience.
http://www.apple.com/itunes/affiliates/resources/blog/song-p...