My expedition’s commander, Harrison Tozer, has selected a song that raises a few eyebrows to play in the background as his crew begins to drift hunters drop a massive metal cage that is shark-proof into the ocean off the stern of the boat. The music causes the air bubbles to rise to the surface and seem to burst in sync with the beat. “Directly, in the open air, despite the heat. Hanging tough, remaining hungry, “David Bickler’s voice can be heard crooning over the speakers.