The scarcity of practice collections devoted to a speciality defined problem of technique has often been deplored by both teachers and pupils. However, Masters of piano playing have written such collections whose number is countless and which deal with difficulties of all kinds. Unfortunately, they are spread over a very large number of music books. The volumes referred to above countain a sufficiently great number to allow counteracting this dispersion. Each collection embraces only the studies...

• F. Chopin: Allegro con fuoco, op. 10/12 (ut min.)
• M. Clementi: Allegro molto vivace (ré maj)
• Allegro (fa min.)
• Allegro vivace (si maj.)
• Veloce (ut ma.)- J.-B. Cramer: Allegro moderato (sol maj.)
• Più tosto presto (ré min)
• Moderato con espressione (fa min.)
• Allegro (ré min)
• C. Czerny: Allegro (ut min.)
• Allegro energico (ut min.)
• Molto allegro, op. 365/26
• C. Gurlitt: Allegretto non troppo aus op. 87
• Vivace aus op. 87
• A. Henselt: Allegretto sostenuto ed amoroso aus op. 2 ...