To be in control; give orders or directions; command.
Контролировать; давать указания.
Bill was president of the club but Jim was secretary and called the tune.
He shows a lot of authority but in fact it's his wife who calls the tune.
Он демонстрирует всю свою власть, но, в сущности, командует его жена.
The people supported the mayor, so he could call the tune in city matters.