Piano Sonata in B-flat major, Op.26 (Müller, August Eberhard)

Authorship Note
This composition was formerly attributed to Wolfgang Amadeus Mozart as K.498a
Movements/SectionsMov'ts/Sec's 4 movements
First Publication 1798 - Leipzig: Thonus (for Breitkopf und Härtel)
Genre Categories Sonatas; For piano; Scores featuring the piano; For 1 player

Sheet Music

Scores

 Complete Score
#809795 - 1.70MB, 14 pp. -  0.0/10 2 4 6 8 10 (-) - V/V/V - 103×⇩ - Coulonnus

PDF scanned by D-WRz
Coulonnus (2022/9/8)

Publisher. Info. Leipzig: A. Kühnel, n.d.[1800]. Plate 25.
Copyright
Public Domain [tag/del]
Misc. Notes Has a French note about Mozart's alleged authorship.
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 Complete Score
#982713 - 1.37MB, 18 pp. -  0.0/10 2 4 6 8 10 (-) - V/V/V - 6×⇩ - Coulonnus

PDF scanned by D-Mbs
Coulonnus (2025/7/26)

Publisher. Info. Mainz: Charles Zulehner, n.d.[1805]. Plate 76.
Copyright
Public Domain [tag/del]
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 Complete Score
#00224 - 1.28MB, 19 pp. -  0.0/10 2 4 6 8 10 (-) - V/V/V - 10088×⇩ - Feldmahler

PDF scanned by Unknown
Feldmahler (2006/2/19)

 Complete Score, fingerings removed
#472732 - 1.28MB, 19 pp. -  0.0/10 2 4 6 8 10 (-) - V/V/V - 252×⇩ - Coulonnus

PDF scanned by Unknown
Coulonnus (2017/5/24)

Editor Sigmund Lebert (1821–1884)
William Scharfenberg (1819–1895)
Publisher. Info. 19 Sonatas for the Piano (pp.162-80)
New York: G. Schirmer, 1893. Plate 11145.
Copyright
Public Domain [tag/del/mrg]
Misc. Notes Titled "Sonata XII", editorial comments in English, German.
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 Complete Score
#44710 - 1.00MB, 23 pp. -  0.0/10 2 4 6 8 10 (-) - C*/C*/V* - 4044×⇩ - CC

PDF scanned by CC
CC (2009/10/31)

Publisher. Info. Moscow: Muzgiz, 1963. Plate M. 25501 Г.
Copyright
Public Domain [tag/del]
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General Information

Work Title Piano Sonata
Alternative. Title
Name Translations Piano Sonata in B-flat major, K. 498a; Sonata para piano en si bemol mayor, KV 498a (Mozart); Sonata per a piano en si bemoll major, K. 498a; Sonate pour piano nº 20 de Mozart
Name Aliases KV 498a; KV Anh. 136
Authorities Wikipedia; BNF: 147161047
Composer Müller, August Eberhard
Opus/Catalogue NumberOp./Cat. No. K.Anh.136 ; K³.498a ; K⁶.Anh.C 25.04/05
Internal Reference NumberInternal Ref. No. IAM 7
Key B-flat 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 (for Breitkopf und Härtel)
Composer Time PeriodComp. Period Classical
Piece Style Classical
Instrumentation piano
External Links NMA score ; NMA report (German)
Extra Information Perhaps a pasticcio arranged by Müller

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Piano Sonatas by Wolfgang Amadeus Mozart
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