In Chamber Orchestra and Ensemble Repertoire, Dirk Meyer provides conductors, musicians, and librarians with all the information needed to plan their performances of modern chamber music. Meyer lists almost 4,000 works written during the 20th and 21st centuries, representing more than 1,100 composers.

Entries are divided into three categories: Chamber Orchestra, String Orchestra, and Ensemble. Presented alphabetically by composer, each entry fully describes the composition, including its duration, year of composition, availability, publisher, and complete instrumentation. The comprehensive appendix allows users to search for repertoire based on a variety of criteria, such as instrumentation, duration, solo instruments, and solo voices. As a catalog of modern music, the appendix also provides categories for 21st-century repertoire as well as compositions that use electronics.