Enzo, welcome(we've been anxiously waiting seven years to hear from you!). I don't have many recommendations for the speakers you describe(something like this , or I like Peter's idea, if it's feasible), but several appropriate musical selections, once you're set up, come to mind. Obviously Handel's "Water Music" should be featured, along with Debussy's "La Mer". More to come.

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Enjoy the music, not the equipment.