Im not really a fan of any that you've chosen there.. personally i like things kept fairly simple as its easier on the eye, easier to find what you want.
The themes you've picked could work for you if you have the info and content to pack it out. If you are only going to have an about, contact and mixes section I personally feel the themes you've picked are overkill.
If you want to go the premium theme path, check out
woothemes.com or
elegantthemes.com as they both do a lot of really nice simple, but functional themes. At the end of the day, you want people to keep coming back.
To personalise your page even more, integrate a flash animation of some sort (which is easily skipped fo those without flash) that will play when someone arrives at your URL. Then have it go to your wordpress main page once its finished playing.
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