In the daily "Diario de avisos de Madrid" (Madrid), on July 11, 1836, páge 5, an advertisement for the Lodre Music Store mentioned there were 2 Fernando Sor duets, one being a "Gran Fantasia for two Guitars" in stock. Some solos by Sor were also to be found there too. Leon Lodre opened his music store in 1822 and was a publisher as well, and was located at Carrera de San Geronimo Number 13, Madrid.