String Quartet No. 14 (Mozart) String Quartet No. 14 (Mozart) The String Quartet No. 14 in G major, K. 387, nicknamed the "Spring" quartet, was composed by Wolfgang Amadeus Mozart in 1782 while in Vienna. In the composer's inscription on the title page of the autograph score is stated: ""li 31 di decembre 1782 in vienna"". The work was perhaps edited in 1783. This is the first of the Haydn Quartets, a set of six string quartets he wrote during his first few years in Vienna in honor of the composer Joseph Haydn, who is generally viewed as the father of the string quartet form.
String Quartet No. 4 (Villa-Lobos) String Quartet No. 4 (Villa-Lobos) String Quartet No. 4 is the fourth of seventeen works in the medium by the Brazilian composer Heitor Villa-Lobos, written in 1917 and revised in 1949. A performance lasts approximately 23 minutes. Villa-Lobos composed his Fourth Quartet in 1917, in Rio de Janeiro, but the work remained unperformed until 1949, at which time the composer revised the score. This version was premiered by the Borgerth String Quartet (also known as the Carioca Quartet) on 8 October 1949 in Rio de Janeiro. The score is dedicated to Frederico Nascimento Filho. The quartet consists of four movements: