March to (someone's) drum

Translation of "march to (someone's) drum" into Russian

идти под дудку (кого-то)

He always seems to march to his own drum, regardless of what others say.

Он всегда, кажется, идет под свою дудку, независимо от того, что говорят другие.

To follow or conform to someone else's rules, ideas, or way of doing things; to act according to another person's direction or influence.