loud pedal

Waltzes, played very quick, and galops with the loud pedal down and an impromptu bass.

Her foot continuously touched the loud pedal—the blurred sound seemed to accomplish more.

Well, anyways, after she had got "Soft and Low" going strong with the loud pedal and no expression, I opened the first envelope.

This is popularly called the loud pedal, and the vulgarest use to which it can be put is to multiply the volume of tone.

I'll say one thing for her, right or wrong, she never got off the loud pedal on that prediction.