OMR music dataset of piano music with degrees of difficulty
The piano music have different levels of difficulty. There are several dimensions that makes a piece easy or hard, including:
formal
rhythm
harmonic complexity
density of texture
arious forms of instrumental technique (fingering, pedalling, chords and leaps, tonal demands)
the requirements of creative maturity
Henle Verlag has a list of nine levels.
Level | Gradetable | Example |
1 | easy | Bach, Notebook for Anna Magdalena Bach, nos. 4 and 5; Bartók, Mikrokosmos nos. 1-35 |
2 | Schumann, Album for the Young nos. 1, 2, 3 and 5 | |
3 | Beethoven, Piano Sonata op. 49,2 | |
4 | medium | Grieg, Lyric Pieces op. 12,4 |
5 | Mozart, Piano Sonata K. 283; Schumann, Fantasy Pieces op. 12,1 | |
6 | Chopin, Nocturnes op. 27,1 and 2 | |
7 | difficult | Beethoven, Piano Sonata op. 10,3 |
8 | Schumann, Fantasy op. 17; Scriabin, Piano Sonata no. 4 op. 30 | |
9 | Beethoven, Piano Sonata op. 106; Reger, Bach Variations op. 81 |
A list of dataset based on graded difficulty is the Piano Street list, the IMSLP list, and musicnotes.com.
Here is a sample of inciptis.
Level 1:
Bach, Notebook for Anna Magdalena Bach, nos. 4 and 5; Bartók, Mikrokosmos nos. 1-35

Level 2:
Schumann, Album for the Young nos. 1, 2, 3 and 5
The entire Schumann "Album for the Young" pieces

Level 3:
Beethoven, Piano Sonata op. 49,2

Level 4:
Grieg, Lyric Pieces op. 12,4
IMSLP incipits included https://imslp.org/wiki/Lyric_Pieces,_Op.12_(Grieg,_Edvard)
Sample score from musicnotes.com
Level 5:
Mozart, Piano Sonata K. 283; Schumann, Fantasy Pieces op. 12,1
Level 6:
Chopin, Nocturnes op. 27,1 and 2
Level 7:
Beethoven, Piano Sonata op. 10,3
Level 8:
Schumann, Fantasy op. 17; Scriabin, Piano Sonata no. 4 op. 30

Level 9:
Beethoven, Piano Sonata op. 106; Reger, Bach Variations op. 81
List organized by Alina Liu from New Trier High School and Stembey learning center.







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