Étude Op. 25, No. 1 in A-flat major is a solo piano work composed by Frédéric Chopin in 1836, and published in 1837. The work consists entirely of rapid arpeggios and harmonic modulations based on A-flat major.
Marked ‘Presto’, Chopin’s Étude Op. 25, No. 2, in F minor is based on a polyrhythm, with pairs of eighth-note (quaver) triplets in the right hand against quarter-note (crotchet) triplets in the left.
The Piano Concerto No 1 in B-Flat Minor, Op. 23, was composed by Pyotr Ilyich Tchaikovsky between November 1874 and February 1875. It was revised in the summer of 1879 and again in December 1888.
The Hungarian Dances (German: Ungarische Tänze) by Johannes Brahms (WoO 1), are a set of 21 lively dance tunes based mostly on Hungarian themes, completed in 1869. Brahms originally wrote the version for piano four hands.
The Sonata in A Major for Violin and Piano by César Franck is one of his best-known compositions, and is considered one of the finest sonatas for violin and piano ever written.