Piano Sonata in B-flat major (Müller, August Eberhard)

Authorship Note
This composition was formerly attributed to Wolfgang Amadeus Mozart (K.498a)

Sheet Music

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Editor Sigmund Lebert (1821-1884)
William Scharfenberg (1819-1895)
Publisher. Info. Nineteen Sonatas for the Piano (pp.162-80)
New York: G. Schirmer, 1893. Plate 11145.
Misc. Notes Titled "Sonata XII", editorial comments in English, German.
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PDF scanned by CC
CC (2009/10/31)

Publisher. Info. Moscow: Muzgiz, 1963. Plate M. 25501 Г.
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General Information

Work Title Piano Sonata
Alternative. Title
Composer Müller, August Eberhard
Opus/Catalogue NumberOp./Cat. No. (K.Anh.136 ; K³.498a ; K⁶.Anh.C 25.04/05)
Key B major
Movements/SectionsMov'ts/Sec's 4 movements
  1. Allegro (= K⁶.Anh.C 25.04))
  2. Andante (based on K.450)
  3. Menuetto. Allegretto – Trio (= K⁶.Anh.C 25.05)
  4. Rondo. Allegro (based on K.450, 456, 495)
First Publication. 1798 - Leipzig: Thonus
Composer Time PeriodComp. Period Classical
Piece Style Classical
Instrumentation Piano
Extra Information Regarded as doubtful, relegated to Appendices in Köchel 6th edition, and Supplement (Doubtful works) in NMA X/29/2, pp.225–45.

Misc. Comments

  • "4-movement Sonata published by Thonus in Leipzig in 1798 and then others as Mozart; 1806 issued by Kühnel attributed Sonata to August Eberhard Müller--Sonata's 2nd movement set of variations form K450, 4th movement used themes of K450, 456, 595, other movements original; K1 listed in Anhang for transcriptions; Nottebohm and K2 believe Sonata to be work of Müller; K3 moved Sonata into main section with speculative dating Aug 1786; K6 placed 1st movement and 3rd movement into Anhang C section as a doubtful work. An analysis of Sonata with works of Müller (including 4 movement structure) shows more likely work by Müller than Mozart (Marguerre-MISM 1978)" [1]
Piano Sonatas by Wolfgang Amadeus Mozart