Sor produced, by his own account, "more than 60 opus numbers comprising 12 grand solos; 20 sets of variations; 20 duets; 6 trios; 1 quintet; 2 symphonies concertantes; 1 nocturne solo; 24 studies; 12 minuets; 3 divertimentos; 1 sonata; 6 fantasies; 12 andantes; 1 set of waltzes; 12 dances; and 17 miscellaneous works."
Johann Kaspar Mertz (1806-1856): Johann Kaspar Mertz was an Austrian composer and guitarist who lived in the 19th century. He is considered one of the most influential guitarists of his time and his music is still played and enjoyed today. Some of his most famous compositions include _Bardenklänge, Fantasie über Motive aus Robert des Teufels, and Elegie_.
Francisco Tárrega (1852-1909): Francisco Tárrega was a Spanish guitarist and composer who lived in the 19th and early 20th centuries. He is considered one of the greatest guitarists of all time and his music is still widely performed today. Some of his most famous compositions include _Recuerdos de la Alhambra, Capricho árabe, and Danzas españolas_.
Heitor Villa-Lobos (1887-1959): Heitor Villa-Lobos was a Brazilian composer, guitarist, and conductor who lived in the 20th century. He is considered one of the most important composers of Latin America and his music is widely performed today. Some of his most famous compositions include _Bachianas brasileiras, Guitar Concerto, and Chôros_.
Agustín Barrios Mangoré (1885-1944): Agustín Barrios Mangoré was a Paraguayan guitarist and composer who lived in the 20th century. He is considered one of the greatest guitarists of all time and his music is still widely performed today. Some of his most famous compositions include _La Catedral, Julia Florida, and Cañaro en flor_.