Although music theory and temperament have been familiar studies since the time of Pythagoras, written explanations can be obscure and often mystical. This book describes proportion and temperament in the simplest way using straightforward diagrams and minimum text Anthony Osborne, with his architectural training, produces a range of illustrations as a practical guide, readily understandable to the reader whether or not they have musical, mathematical or scientific knowledge. Principally concerning the piano keyboard, this book is an information source regarding the connections between music, and architecture. He explains Equal Temperament and the pivotal role of the Dominant Seventh and explores Doppler''s theory, sound, light and colour and the relevance of proportion and consonance in the universe around us.Osborne, Anthony is the author of 'Keyboard Connections Proportion And Temperament in Music And Architecture. Equal Temperament, the Golden Section And a Few Other Mysteries' with ISBN 9781420847833 and ISBN 142084783X.