Let me guess, certain songs will stimulate sharks. Does it mean they like the music? Or that the rhythm reminds them of the excited heartbeat of a baby seal? Maybe its the magnets in the speaker systems. Or the electricity in the wires. What about differing tastes of music between individual sharks? We don't actually assume that music preference is species wide for sharks, do we? Get ready for some serious bias in interpreting whatever results these experiments find.
Remember, Bing Crosby is for slow-aquatic-red-death