Otherwise, it's a bit tough to give suggestions without knowing anything about the creative direction. If it's meant to be an audio visualization, it should probably move like we'd expect audio to move -- but you could also play with light, color, texture, depth, perspective...
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- many thanks for feedback on this ---- just doing tests ATM and animating randomly in patterns ( if you know what I mean ! ) by hand isnt too bad ---- in fact much quicker and more convincing than II thought ....
----- will remember he sound keys thing just in case - you never know.