It was first published in 1844 after being serialised in many parts prior to this date and had a chapter added by Berlioz on conducting in 1855.[2] The book discusses the various technical aspects of instruments, such as chromatic range, tone quality, and limitations.The book also provides orchestral excerpts from classical scores to give examples of techniques discussed.These examples are sometimes of works by Berlioz himself, while Mozart, Wagner, Beethoven, and Gluck are also frequently cited.[2] Many composers studied the work closely, such as Modest Mussorgsky, Gustav Mahler, Richard Strauss, and Nikolai Rimsky-Korsakov.