It's honourable not having affiliate links, but I'd add them in if this were my project.
Most people don't care or even know what one is and it'd allow you a bit of beer money from the project and cover the costs of the servers. Most people on the site would be happy enough to not pay and have no adverts, affiliate links are a very unobtrusive way of making money from a project like this.
I have a project with affiliate links, and the passive infrequent income I receive from it softly persuades me to do more work on it.
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.
Most people don't care or even know what one is and it'd allow you a bit of beer money from the project and cover the costs of the servers. Most people on the site would be happy enough to not pay and have no adverts, affiliate links are a very unobtrusive way of making money from a project like this.
I have a project with affiliate links, and the passive infrequent income I receive from it softly persuades me to do more work on it.
It's up to you though obviously!