An exposition of the science behind the art of piano unison tuning, based on modern acoustical theory rather than the simplistic "traditional" theory. Relates to the practice and experience of students and professionals in the art of tuning, without the mathematical theory.

Dr Brian Capleton lectured in Piano Technology at the Royal National College, and is an alumnus of Wolfson College Oxford, the Royal College of Music, Trinity College of Music London, and Dartington College of Arts.