Final answer:
The two main types of romantic program music were written for either symphonies or operas. Composers during the Romantic era continued to write symphonies, concertos, sonatas, and operas, similar to classical composers. The Romantic era also saw the development of purely instrumental music, such as dance music.
Step-by-step explanation:
The two main types of romantic program music were written for either symphonies or operas.
Composers during the Romantic era continued to write symphonies, concertos, sonatas, and operas, similar to classical composers. Some composers took a more conservative approach, keeping the rules of these forms. However, the Romantic era also saw the development of purely instrumental music, such as dance music, that was improvised around familiar tropes.