http://www.geocities.com/jojo_mcbean/sor.html Biography, background information, related composers, and links to other guitarists. http://www.karadar.net/Dictionary/sor.html Musica Classica Classical Music Dictionary entry with life, works, and MIDI audio files. http://www.musicweb.uk.net/sor/ Biography written to parallel a musical composition leads the reader through his life and works. Includes links. http://www.orphee.com/guitar.htm Biography, history of the guitar and its introduction to Spain, MIDI audio files, and links, including Spanish and Esperanto. http://www.classicalguitar.net/artists/sor/ Biographical article on his pioneering of classical guitar music and list of published works. http://www.hnh.com/composer/sor.htm Brief biography and caricature with summaries of guitar, vocal, and stage music with recommended Naxos recordings. http://stevenestrella.com/composers/composerfiles/sor1839.html Biographical data, recommended CDs, books and sheet music, bibliography, and links to biographical essays from Dr. Estrella's Incredibly Abridged Dictionary of Composers. http://www.csun.edu/~igra/igra/bio/text/sor.html Brief biography and portrait. http://www.guitarist.com/midis/sor/sor20.htm MIDI audio files of pieces designed for non-virtuoso guitarists with technical information and details about the composer and his music.