Beethoven’s most popular composition for piano was not published during his lifetime, only being discovered (by Ludwig Nohl) forty years after his death.
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 Sound of Music is a 1965 American musical drama film produced and directed by Robert Wise, and starring Julie Andrews and Christopher Plummer. The film is an adaptation of the 1959 stage musical of the same name, composed by Richard Rodgers with lyrics by Oscar Hammerstein II.
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.