Final answer:
Theobald Boehm is renowned for redesigning the flute to improve its playability and sound, while Adolphe Sax invented the saxophone, significantly impacting orchestral music and later, jazz. Their contributions are a pivotal part of the developments in the nineteenth-century music technology.
Step-by-step explanation:
Contributions of Theobald Boehm and Adolphe Sax
In the nineteenth century, instrumental advancements were critical in the evolution of orchestral music, and two innovators stand out: Theobald Boehm and Adolphe Sax. Theobald Boehm is best known for his redesign of the flute, introducing a cylindrical shape, replacing the wooden body with metal, and developing a system of complex keys which allowed for better tuning and facilitated easier, more reliable play. This Boehm system became the foundation for all modern flutes. On the other hand, Adolphe Sax invented the saxophone, which expanded the orchestral palette with its distinctive tone and became integral to both orchestral music and later, to jazz.
The advancements made by Boehm and Sax not only enabled musicians to explore new sonic possibilities but also contributed significantly to changes in orchestral arrangements and the development of music, including the increasing complexity of wind parts. These changes coincided with the rise of the middle class, which influenced music production as the demand for public concerts likewise increased.