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Johann Sebastian
Bach (1685-1750)
Goldberg-Variationen / Goldberg
Variations
Aria mit verschiedenen
Veränderungen vors Clavicimbals
mit 2 Manualen,
BWV 988 - Clavier-Übung, Part
Four
Version for String Trio by
Bruno Giuranna - world
premiére recording
label:
Velut
Luna CVLD170 |
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time:
77'27'' - tracks: 1-32
booklet languages: Italiano /
English
Recording: Chiesa di Orsanmichele
(Florence)
10 March 2008
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In the splendid setting of the
Church of Orsanmichele in Florence,
during the thirty years since the
founding of the Lions Club of Bagno a
Ripoli (FI), on 11th March 2008 the Broz
Trio has performed the transcription for
string Trio of Bach's Goldberg
Variations, in the unpublished
transcription of the Master Bruno
Giuranna.
With the live recording of
the concert was made the first world
incision of this version, that is
available in the catalogue Velut Luna
since the second half of June 2008.
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The Goldberg
Variations
text by Francesco Bissoli

The
Air with 30 variations
(BWV 988), composed by Bach around 1741,
was dedicated to his student Johann
Gottlieb Goldberg and published in
Nuremberg by Balthasar Schmid. According
to Johann Nikolaus Forkel, Bach’s first
biographer, the Maestro wrote this work
on commission from Count Hermann Carl
von Keyserling, the Russian ambassador
in Dresden and Goldberg’s patron, who wanted to
listen to music during his long
sleepless nights.
Aside from this little story, this is a
speculative work and has a more academic
bent, following the trend of the Kantor’s
last works. It makes up the fourth
part of the Klavierübung,
and completes its overall formal
structure. It uses a compositional
process widely cultivated in the
seventeenth century, developed and
transformed into a progressive cycle of
complete modifications of a
self-sufficient musical cell, in which
the protagonist is the canon. The
contrapuntal dialogue is developed to
the full – as it was to be in the Musical Offering and in
the Art of Fugue - and
is organized mathematically with precise
symmetry and with unparalleled
structural cohesion.
With the exception of the final
variation, every third piece is a canon:
No 3 is at the unison, No 6 at the
second and so on up to the final canon
at the ninth. Many variations, thanks to
their rhythmic peculiarities, take on
the style of a dance; others have a
title that refers to a certain style or
probably to a specific function within
the sequence. This is the case, for
example, of variation 10 (Fughetta) or
16 (Ouverture), which may suggest a
macro partition of the work into two
sections (variations 1-15 and 16-30)
each half containing five groups of
three pieces. It is also possible to see
the work as having three sections if one
takes into account the strong structural
similarities between, for example,
variations 12 and 24, and 13 and 25.
This is not simply a mathematical game
but an attempt at interpreting a
complex, brilliantly-developed
masterpiece that also lends itself to
relaxed listening, without
the need for any analytical thinking.
Although originally written for
harpsichord, itself offering the most
unimaginable expressive possibilities,
the Goldberg Variations have been the
subject of various transcriptions for
different instrumental
combinations. It is these that allow you
to appreciate the thick contrapuntal
texture of the composition perhaps more
clearly than the keyboard version. If we
consider that in past centuries
transcriptions were common practice and
that the same Bach transcribed numerous
concertos by Vivaldi for organ, we can
easily overlook the purists’
reservations and appreciate this
creative approach to his work.
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Considerations
on the string trio version
text by Bruno Giuranna
The
original music of the Variations seems
to suggest right from the start that it
was written for more than one player. It
looks as though a piece of chamber music
was simply transcribed or, in the case
of the richer variations, compressed
onto double staves for the harpsichord.
The vast majority of the variations
are for two or three voices and the idea
of assigning each part to a different
instrument comes naturally from the
music. The choice of violin, viola and
cello seems to be the most appropriate,
especially as the similarity in
tone-quality of these instruments
reflects the work’s original timbral
unity.
In the two-part variations, the
parts have been assigned according to
the range and sound qualities of the
instruments passing from one to another
if necessary, but keeping the
homogeneity of sound as much as
possible. In the opening Aria and in
Variations 22, 26, and 30, the fourth
voice has been
written for the violin and viola
as double-stopping, taking into account
the possible difficulty of such writing.
The related problems in the last bars of
the 23rd Variation have been
resolved by giving the violin scales in
thirds and sixths.
The dialogue between the individual
voices, which
requires a certain amount of imagination
and skill from a single harpsichord
player or pianist, becomes more natural
and spontaneous when each musical line
is played by a different player. The
interaction and tension which occurs
between the musicians when they perform
becomes, itself, an integral part of the
interpretation and contributes
significantly to the overall success of
the performance.
From a performance practice point
of view, the suggestion to divide the
magnificent structure of the Goldberg
Variations into three large sections, in
which the variations flow into each
other without breaks, helps to emphasise
the works majestic dimensions.
This version,
where fidelity to the original
has always been the priority, has been
created with the aim of making the
wonderful world of the Goldberg
Variations accessible to string players.
The full score and single parts are
available at www.giuranna.com
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