This document discusses different types of instrumental music, including absolute music and programmatic music. Absolute music is purely instrumental and not related to any extra-musical narrative, while programmatic music is inspired by or relates to ideas, images, or narratives outside of music. The Romantic character piece is described as a piano solo work that expresses a single mood or programmatic idea defined by its title. Major composers of character pieces mentioned include Schubert, Schumann, Mendelssohn, and Chopin. The document also provides biographical information about Chopin, Schumann, Liszt, Berlioz and their contributions to programmatic music forms like the symphonic poem.