As part of a uniquely Key West benefit event called the Underwater Music Festival, Alfonso accepted the challenge earlier this year to conduct her own symphony's recording of Beethoven's Fifth Symphony on the ocean floor at the Looe Key National Marine Sanctuary, surrounded by divers holding prop instruments representing a "trombonefish," a "manta-lin," and so on.

cruiser ran off course in Hawk Channel and hit Looe Key when the boat's GPS failed, according to the owner.

Water visibility is 30 to 40 feet on a good day at the sanctuary's popular dive spot, Looe Key, compared to an average 100 feet in 1975, says diveboat captain and Florida Audubon Society president Ed Davidson.