Answer: study of practices and possibilities of music
Explanation:
Music theory was invented by Guido d’Arezzo
Bee, Glee, Plea, Key, Tree, Knee, Scree, She
An overture is an introductory section to an opera or oratorio. It is an orchestral piece at the beginning of an opera, which gives <span>introduction to the </span>musical<span> work.
</span>The first significant use of a full-scale overture, however, was made by Jean-Baptiste Lully<span>, in works such as his opera </span><span>Thésée.</span>