The plan was to do all the band promotion separate. Yes, visitors know that the film includes the band, but alongside, the band will become its own thing. We're developing it as a completely separate entity as another marketing tool. We want people to buy the CD, not give it away.
My point, was that the CD is tied directly into your film, as is the band. It baffles me why you would want to promote the band separate, considering they originally began as a fictitious concept FOR your film. If you're already having trouble gaining any traction at all with the film, I can't imagine why you would want to separate the entities, giving you a whole lot more to attempt to gain traction for. Chimp is right in his statement, it's not a marketing tool if you don't want to associate it with the movie. This doesn't many any sense to me. I understand if you want to develop the band into its own entity after the film, but it should certainly be part of promoting it.
An example right off the top of my head is the Scott Pilgrim vs. The World film. It created a fictitious band to play the soundtrack (which was written by others, but my point stands). When it came out, I had fellow band mates from the band I was in at the time raving about how they enjoyed the sound track as it's own entity. But the film used that soundtrack as a way to promote itself, and certainly wouldn't have done as well without it.
Or the new Inside Llweyn Davis. One of the best films of the year so far, I believe. It was a music based film that certainly used it's own sound track, which consisted of mostly of 'original' songs by the story's main character. (Well, they were arrangements of traditional folk songs, but that's original)
More so, you're not 'giving away' anything you offer as a crowd funding reward. Those people gave you money. If your thinking with this mentality, then by that logic, whatever you are offering as a reward, you don't believe it's worth much. If you don't want to reward backers with something you consider of value, why should they value it?
That's my two cents; I think that your decision to keep these two pieces separate is a very poor one, and combining them could result in a much easier time promoting the project, and it would make a whole lot more sense.
Good luck with whatever you do on it.