change and crescendo and diminuendo whilst in the flow of a musical phrase. ⁴⁰ There was great interest at this time in the dynamic and interpretive expression of Italian Opera music, the violin, and the music of the Pantalon, a dulcimer style instrument which influenced a new style of expressive, interpretive keyboard music performance⁴¹ . Cristofori’s response presented the world with a keyboard instrument that expanded the harpsichord player’s capability to play dynamically and with greater expression.
Later in the 18thcentury the interaction between the piano designers and the pianist-composers CPE Bach, Mozart, Clementi and Beethoven brought many changes to the design of the piano.

Throughout musical history the catalyst for instrumental design change has varied. Sometimes the instrument designers responded to new musical style, alternatively composers adapted their musical style to suit new instruments.Wayne Stuart says his design is a response to the changes in the musical composition styles that occurred early in the 20th century, where the traditional linear ethos of compositional form changed to a vertical emphasis of the colour of sound.This research demonstrates how the sound of the Stuart piano has influenced my performance and compositional practices. In chapter six I demonstrate how the characteristics of the Stuart piano soundscape influences my composition and pianistic styles,in providing me with unique piano sounds for collaborations with Australian Aboriginal musicians.

^{40     5}Good, 32-33.
^{41     2}Loesser,24.