I know you weren’t specifically addressing your post to me, but…
That is the reason why, way upthread, I tried to delineate the idea of formal vs material cooperation, immediate vs mediate, proximate vs remote.
You are cooperating with the evil of homosexual marriage. You are doing so by giving musicians who are activists for the homosexual movement a voice (the more popular they are, the more the media will give them access allowing them to pontificate).
But how immediate is that cooperation?
If you were the program director of a radio station that selected the music to be played, your cooperation would be a whole lot more proximate than that of a single user who buys tracks from iTunes (or, shudder, buys physical CDs from your local music store).
So your cooperation, in of itself, is really, really remote. Almost, by itself, imperceptible. As I said above, it only becomes a factor when your actions are combined with millions of others.
So is it sinful? Well, honestly, that depends upon your intent and your degree of scrupulosity. I only know what you’ve said here, not what is really going on, but it would seem to me that if you approved of their message and wanted to help spread it through increasing their popularity, that would clearly be sinful. But if you didn’t care for their message, but loved their music so much that you felt it necessary to buy their tracks, that would be another situation altogether. But then you have the issue of scrupulosity: which is not a bad thing in of itself. It becomes a bad thing when it starts causing you to freeze up and not be able to make decisions. In other words, do you realize that you are helping provide them a platform…by supporting their increased popularity, which, in turn, gives them significant media access?
Let me give you two examples of where not buying products from an artist actually did make a difference:
*Sorry for cutting out your examples of Sinead and the Dixie Chicks, but I did read both and Sinead’s really shocked me
Those were a couple of fairly recent examples of where people decided to stop supporting the artist not because of the music, but because of the message they were sending out.
You, as an individual music lover, won’t influence your artists by yourself. But if you are sufficiently offended by the message, your actions, along with those of others, can actually make a difference. But it’s your conscience that is going to be your guide in this.
I personally wouldn’t bring something like that up during a confession, unless I, after examining my conscience, believed it to be a violation of the teachings of the Church. After monitoring this thread, it seems like you are trying to justify your actions. I can’t read your mind, but if buying music from those artists doesn’t bother your conscience at all, why did you ask the question in the first place (not only here, but why did you bring it up with a priest during confession)?