Page 112 - (DK) The Classical Music Book - Big Ideas Simply Explained
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110 BAROQUE COUNTERPOINT


                                            Structure: The fugue

                      EXPOSITION    EPISODE         MIDDLE SECTION        EPISODE   FINAL SECTION  CODA

         Soprano               S      FP     FP    A     FP     S    CS     FP      CS      FP      FP



         Alto             A    CS     FP      S    CS    FP    FP    FP     FP       S      FP      FP


         Bass        S   CS   FP      FP     FP    FP    FP    FP    A      FP      FP      S       TP


        In a fugue, a word derived from the                    Key
        Latin for “flight,” each of three or more                S = Subject—The principal theme of the fugue.
        voices enter one after the other, imitating              A = Answer—The subject, repeated a fifth (5 notes) higher.
        and modifying the initial theme. The                   CS = Counter-Subject—A contrasting secondary theme.
        structure illustrated here has many                    FP = Free Part—Material based on the first theme.
        other possible variants.                               TP = Tonic Pedal—Sustained final bass note.

        within far more rigorous structures,   same note in a different octave,   although they are often performed
        which allow for very rich listening   while the second voice now   in concert halls, they are not as
        experiences. The basic structure of   performs the counter-subject and   powerful as his organ fugues or
        a fugue requires a melody known   the first  voice will usually play free   those found in his sacred music.
        as the “subject” to be presented by   material derived from the subject.   However, they had a considerable
        the first voice in the home key. The   This continues in the same way   influence on later composers, who
        next voice then presents the same   until all the voices have entered,   dubbed them the “Old Testament”
        melody but starting on the fifth   creating an exposition that    of music (the Beethoven sonatas
        note of the scale being used, and   moves rapidly from simplicity to   were the New Testament) and paid
        this is known as the “answer.”   complexity, while using limited   tribute to them; Shostakovich, for
        When replying to this, the original   musical material.           instance, composed 24 Preludes
        voice plays a “counter-subject,”    The fugue will then progress    and Fugues. Even now, pianists
        which may be very contrasting.   by adding mood-changing          study Bach’s The Well-Tempered
        The third voice then enters with   “episodes,” again often derived   Clavier as part of their training.
        the “subject” again, starting on the   from the opening material. The   Bach’s fascination with
                                         middle section, in turn, presents   counterpoint did not merely focus
                                         the subject in different keys and   on the fugue. His suites of dance
                                         formats until the work returns to   movements rely on an understanding
                                         the opening key. However, further   of counterpoint for their inner
                                         variants heighten this journey, such  energy; even when the music is for
                                         as the “stretto,” where subjects and   solo violin or cello, it often hints at
           Ceaseless work, analysis,     answers enter before the previous   what the other voices would play
           reflection, writing much,     ones have been resolved.         if there were more instruments by
            endless self-correction,                                      injecting notes and phrases in
               that is my secret.        Teaching tools                   different registers.
         Johann Sebastian Bach           In writing the 48 fugues of The     Bach was similarly attracted
                                         Well-Tempered Clavier, Bach offered  to canons, where one voice follows
                                         a compendium of techniques to be   the exact melodic contour of the
                                         studied by both keyboard players   other but slightly later (the round,
                                         and composers. These were        “London’s Burning” is an example
                                         designed as teaching tools, and   of this). His use of this technique is





   US_108-111_JS_Bach_Fugue.indd   110                                                               26/03/18   1:00 PM
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