Why Is There A Piano on the Sandbar in Biscayne Bay?

From the NY Times:

By DON VAN NATTA Jr.
Published: January 25, 2011

NORTH MIAMI, Fla. — From the shore, it looks like an oddly shaped buoy. But as residents here have discovered on closer inspection, it is in fact a grand piano perched upright on a narrow sand bar in Biscayne Bay — a sight that has inspired wordsmiths to compete to name South Florida’s newest curiosity (“piano bar” seems to have won).

The more relevant question, of course, is who might have left the 650-pound piano atop the highest point of the sand bar, about 200 yards from shore, and why.

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So–a question for my readers–what do you think? Poetry, anyone?