Chicago bibliography example: Sound recording. The composer is listed by last name first. Holst, Gustav. The title is italicized and is followed by a comma: The Planets, The orchestra name is followed by a period, the words "Conducted by," and the name of the conductor in normal order: Royal Philharmonic Orchestra. Conducted by Andréé Previn. The number is followed by a comma and the medium: Telarc 80133, compact disc.