Mozart’s E flat major Divertimento, K.563 is a quite 
                  outstanding score; certainly one of greatest ever written for 
                  string trio. Although inhabiting a very different sound-world 
                  probably Schoenberg’s String Trio, Op.45 from 1946 is 
                  its only rival in quality. At almost fifty minutes in performance 
                  the substantial six movement score is something of a Cinderella. 
                  It is to be hoped that this marvellous performance by the Trio 
                  Zimmermann will assist in giving this surprisingly neglected 
                  score the acknowledgement it richly deserves. It undoubtedly 
                  suffers from being described by Mozart as a divertimento 
                  a term generally associated with lighter works designed 
                  for entertainment. 
                  
                  The string trio repertoire is not extensive with the Mozart 
                  Divertimento, K.563 and Schoenberg’s much shorter String 
                  Trio, Op.45 reigning supreme. Of the other scores for the 
                  combination of violin, viola and cello I have always regarded 
                  Beethoven’s Serenade, Op. 8 and his four String Trios, 
                  Op.3 and Op.9/1-3 as fine works – all often overlooked. 
                  
                  In 2007 renowned solo violinist Frank Peter Zimmermann got together 
                  with violist Antoine Tamestit and cellist Christian Poltéra 
                  to form their string trio. Trio Zimmermann is not however a 
                  full time ensemble. Although Zimmermann is by far the best known 
                  of the three all have solo careers and come together a couple 
                  of times each year to tour. 
                  
                  Mozart was thirty-two when he composed his outstanding Divertimento 
                  for violin, viola and cello in E flat major, K.563 in 1788. 
                  With the exception of his stage works this must be one of his 
                  most lengthy scores; certainly his longest chamber work. The 
                  year 1788 was a remarkably fruitful period that saw Don Giovanni 
                  premièred and the composition of his last three. The lengthy 
                  opening Allegro is here played with real joie de vivre 
                  followed by the extended Adagio, a heartfelt 
                  love letter in music. Marked Allegretto the first Menuetto 
                  is suitably lively yet the players still maintain courtly good 
                  manners. With a stretched out folk-like theme and set of variations 
                  the Andante is inventive and varied. The second Menuetto 
                  another Allegretto contains two trios, the first 
                  designed as a Ländler the second also in the manner of 
                  a folk dance with far more emphasis given to the violin. The 
                  concluding Allegro is a joyfully amenable and memorably 
                  lyrical Rondo just bursting with vitality. 
                  
                  Taking pride of place from the surprisingly few complete versions 
                  of Mozart’s Divertimento, K.563 is the distinguished 
                  1967 performance from the Grumiaux Trio (Grumiaux, Janzer and 
                  Szabo) on Philips. After some forty-five years the Grumiaux 
                  version has never been outshone and still sounds fine today. 
                  Another recording worthy of consideration is the 2000 account 
                  by the impressive Leopold String Trio (Thorsen, Dickinson and 
                  Gould) on Hyperion. 
                  
                  The String Trio in B flat major, D.471 was composed in 
                  1816 by the nineteen year old Schubert. This is an appealing 
                  score but makes no claims for greatness unlike K.563. Notable 
                  Schubert works from the year 1816 include the now lost Prometheus: 
                  Cantata (the first commission to earn him money), Mass in 
                  C major, D.452, String Quartet in E major, D.353, 
                  Symphony No.4 in C minor, D.417 ‘Tragic’, Symphony 
                  No.5 in B flat major, D.485 and over a hundred songs. Commencing 
                  with a lovely and instantly memorable melody the D.471 reminded 
                  me so much of Mozart. Caught up in the cheerfulness of the score 
                  the Trio Zimmermann play with a sense of fondness and proficiency. 
                  
                  
                  The best known version of this Schubert’s String Trio is 
                  the excellent 1969 account from the Grumiaux Trio (Grumiaux, 
                  Janzer and Czako). Released on Philips the performance still 
                  sounds fresh after over forty years. 
                  
                  In both the Mozart and the Schubert scores the recordings from 
                  the Grumiaux Trio from the late 1960s on Philips offer the most 
                  challenging competition. With playing that feels natural and 
                  unforced Trio Zimmermann bring warmth and vitality to the music. 
                  Their unity and tonal blend is to a high standard and they play 
                  with humanity and sensitivity. Ideally to widen the emotional 
                  extremes of the Mozart performances I wanted a touch more searching 
                  quality in the Adagio and additional drama in the Allegros. 
                  
                  
                  Each score on this BIS disc was recorded on separate occasions 
                  in 2009 and 2010 at Nybrokajen in Stockholm. I played this hybrid 
                  SACD on my standard player and was delighted by the overall 
                  sound and balance. I was interested to read that on this recording 
                  Frank Peter Zimmermann was playing the ‘Lady Inchiquin’ Antonio 
                  Stradivarius (1711) violin that was once played by Fritz Kreisler. 
                  Antoine Tamestit used the ‘Mahler’ Antonio Stradivarius 
                  (1672) viola and Christian Poltéra played an Andreas Guarneri 
                  cello from 1675; all with modern stringing and set-ups. 
                  
                  Beautifully presented and recorded this impressive disc will 
                  prove a most worthwhile addition to any chamber music collection. 
                  
                  
                  Michael Cookson 
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