Metropolitan Opera Original Text and English Translation Libretto. The Metropolitan Opera Version of Johan Strauss, Fledermaus, A Version in English. 1950 Copyright Lyrics by Howard Dietz, Text by Garson Kanin. Total of 63 Pages. Begins with a Preface History of This Opera from 1872 On, History of This Opera with The Met, List of Characters and Finally the complete Opera Libretto in English. Brown Paper with Black Print Covers, Almost 7 Inches by 10 Inches Size. Very Clean. No Music, Just the Libretto.