I just hope they do not change it to much. At least i have downloaded the demo so i can always just listen to that if they change it to much.
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I'm trying to not listen to the demo, because I often end up disliking songs because of crap demos!
Controversy doesn't always = extra sales though. (Sorry to bring up Britney but) When Criminal's video debuted I thought "Ooooh, controversial! That'll get people talking!" ... But nope!
Madonna's controversial ways don't equal extra sales anymore either! I think the IWG/MLJ hook will equal more extra sales! It's very on trend, but different from pure electro/dance pop so it'll do well I'd say.