Wolfgang Amadeus Mozart's String Quartet No. 1 in G major, K. 80/73f, was completed in its original three-movement form on 15 March 1770 while touring in Lodi, Lombardy. Mozart was 14 at the time. The fourth movement was added later, possibly in 1773, when Mozart and his father visited Vienna.

Date of composition 1770 (15 March)
Type String Quartet
Tonality G Major
Catalogue KV 80/73f
Instruments Viola
Cello
2x Violin
Autotranslations beta Wolfgang Amadeus Mozart: Quatuor à cordes n°1 en sol majeur, KV 80/73f "Lodi"
Wolfgang Amadeus Mozart: Quartetto d'archi n. 1 in sol maggiore, KV 80/73f "Lodi"
Wolfgang Amadeus Mozart: Streichquartett Nr. 1 G-dur, KV 80/73f "Lodi"