Her mother is professional pianist and Mary herself used to play the piano in the childhood.

He began playing the piano and going to music school at age five, with the aim of becoming a professional pianist.

At the age of 18 he became a professional pianist.

He was a professional pianist from the age of 10.

After returning to his native country, he became a professional pianist.

George's answer is incomprehensible to his entire family: he wants to become a professional pianist.

Richard later quit his job to become a professional pianist.

He married and had two sons, one of whom was a professional pianist.

They had a daughter Gloria, who became a professional classical pianist.

That makes her nervous, because she is not really a professional pianist.