Carl Czerny (1791 – 1857) was an Austrian composer, teacher, and pianist of Czech origin whose music spanned the late Classical and early Romantic eras. His vast musical production amounted to over a thousand works and his books of studies for the piano are still widely used in piano teaching. He was one of Ludwig van Beethoven's best-known pupils and would later on be one of the main teachers of Franz Liszt. Czerny composed a very large number of pieces (more than one thousand and up to Op. 861). Czerny's works include not only piano music (études, nocturnes, sonatas, opera theme arrangements and variations) but also masses and choral music, symphonies, concertos, songs, string quartets and other chamber music. The better known part of Czerny's repertoire is the large number of didactic piano pieces he wrote, such as The School of Velocity and The Art of Finger Dexterity. He was one of the first composers to use étude ("study") for a title. Czerny's body of works also include arrangements of many popular opera themes.

The majority of the pieces called by Czerny "serious music" (masses, choral music, quartets, orchestral and chamber music) remain in unpublished manuscript form and are held by Vienna's Society for the Friends of Music, to which Czerny (a childless bachelor) willed his estate.

Czerny can be considered as a father of modern piano technique for generations of pianists, when it is taken into account that many of his students, such as Theodor Leschetizky, Franz Liszt and Theodor Kullak, also became teachers and passed on his legacy. The US music magazine The Etude presented in its issue of April 1927 an illustration (see above) showing how Czerny could be considered the father of modern piano technique and the basis of an entire generation of pianists.

Source: Wikipedia (https://en.wikipedia.org/wiki/Carl_Czerny).

Although originally written for solo piano. I created this Arrangement of the Étude in Db Major (La Sérénade Op. 692 No. 6) from "24 Grandes Études Caractéristiques" for Flute & Classical Guitar.