Unamplified, they can command a concert stage or blow the doors off a jazz club.

He commanded a sloop off the North American coast after the end of the war, and received his promotion to post-captain in 1790.

He commanded an expedition off the coast of Spain in 1719 and captured Vigo.

He commanded a LCA during service off North African coast.

In 1744, he was made commodore and commanded a 16 ship squadron off the Leeward Islands, capturing 24 ships in four months.

He commanded the naval forces off the Dardanelles before being given command of a force on the Danube in 1915 against the Austro-Hungarians.

The same is true of established directors, who can also command huge fees and a percentage off the top.

Bickerton commanded the squadron off Cádiz in 1800.

He commanded the fleet off Lisbon in 1708-1710, and was later Commander-in-Chief in the Mediterranean.

He fought at several major battles, and commanded a number of amphibious assaults off the French coast and in the West Indies.