Final answer:
During the Romantic Period, changes in the orchestra included the addition of more wind instruments, a shift in the audience for music, and the emergence of renowned composers who expanded on the Classical style.
Step-by-step explanation:
During the Romantic Period, several changes took place involving the orchestra. One major change was the inclusion of more wind instruments. As improvements were made in the mechanics of woodwinds and brass instruments, they became easier to play and had a better sound. Composers began to incorporate larger groups of winds into their compositions, and the parts for these instruments became more complex and important.
Another change was the shift in the audience for music. Classical composers primarily relied on the patronage of the aristocracy and their audience consisted of a small, upper-class elite. However, Romantic composers often wrote for public concerts and festivals, attracting larger audiences of paying customers.
The Romantic era produced many renowned composers, such as Brahms, Tchaikovsky, Schumann, and Wagner, who were influenced by the Classical composers but also expanded on their techniques and styles.