The document provides information about the Romantic period in music history from 1820-1910. It discusses key features of Romantic music including an increased focus on emotion, imagination, individualism, and freedom of expression. Composers began focusing on personal styles and expressing deeper emotions and ideas in their compositions. Nationalism also grew as an important feature as composers incorporated folk music from their home countries. The period saw changes in compositional forms and growth of orchestras that allowed composers to further explore instrumentation and convey feelings through music.