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

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

Movements/SectionsMov'ts/Sec's	4 movements
First Publication	1798 - Leipzig: Thonus
Genre Categories	Sonatas; For piano; Scores featuring the piano; For 1 player

Sheet Music

Complete Score
*#809795 - 1.70MB, 14 pp. - 0.0/10 2 4 6 8 10 (-) - V/V/V - 36×⇩ - Coulonnus

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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
*#00224 - 1.28MB, 19 pp. - 0.0/10 2 4 6 8 10 (-) - V/V/V - 10004×⇩ - Feldmahler

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Feldmahler (2006/2/19)

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* - 3974×⇩ - 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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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)
I-Catalogue NumberI-Cat. No.	IAM 7
Key	B-flat major
Movements/SectionsMov'ts/Sec's	4 movements: Allegro (= K⁶.Anh.C 25.04)) Andante (based on K.450) Menuetto. Allegretto – Trio (= K⁶.Anh.C 25.05) 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. "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
Piano Sonata No.1 in C major, K.279/189d Piano Sonata No.2 in F major, K.280/189e Piano Sonata No.3 in B-flat major, K.281/189f Piano Sonata No.4 in E-flat major, K.282/189g Piano Sonata No.5 in G major, K.283/189h Piano Sonata No.6 in D major, K.284/205b ("Durnitz") Piano Sonata No.7 in C major, K.309/284b Piano Sonata No.8 in A minor, K.310/300d Piano Sonata No.9 in D major, K.311/284c Piano Sonata No.10 in C major, K.330/300h Piano Sonata No.11 in A major, K.331/300i ("Alla Turca") Piano Sonata No.12 in F major, K.332/300k Piano Sonata No.13 in B-flat major, K.333/315c ("Linz")	Piano Sonata No.14 in C minor, K.457 Piano Sonata No.15 in F major, K.533/494 Piano Sonata No.16 in C major, K.545 ("Semplice") Piano Sonata No.17 in B-flat major, K.570 Piano Sonata No.18 in D major, K.576 ("Trumpet" or "Hunt") Allegro in B-flat major, K.400/372a (fragment of 1 movement; completed by Maximilian Stadler) Allegro in G minor, K.312/590d (fragment of 1 movement; completed by unknown composer) Piano Sonata in B-flat major (spurious; by August Eberhard Müller) Piano Sonata in F major, K.Anh.135/547a (doubtful) Piano Sonata, Op.1 (spurious; by Anton Eberl)

Piano Sonatas by Wolfgang Amadeus Mozart