Who wrote the music for Pirates of the Caribbean, and what is the iconic theme?

Pirates of the Caribbean: who wrote the soundtrack, and what’s the name of the iconic theme?

Toothbrushes play Pirates of the Caribbean

The ‘Pirates of the Caribbean’ theme, but it’s played by three electric toothbrushes

All-brass Pirates of the Caribbean

All-brass Pirates of the Caribbean will buckle your swashes immediately

Pirates of the Caribbean: On Stranger Tides

Klaus Badelt: Pirates of the Caribbean