References
- 1. Danner, P., Spring (1992) The Guitar in Latin-America. A personal view by Carlos Barbosa-Lima as told to Peter Danner, part 1, GFA Soundboard (XIX/1)
- 2. Dumond, Arnaud et Denis, Francoise E. (1988) Entretiens avec Leo Brouwer, Les Cahiers de La Guitare, trimestrul 4, Premiere rencontre, avec Arnaud Dumon
- 3. Goldspiel, A., (2000), A New Look at Musical Structure and the Guitar in the Music of Villa-Lobos, GFA Soundboard, Fall
- 4. Santos, T., (1985), Heitor Villa Lobos and the guitar, originally published by the Museu Villa-Lobos, 1975, first published in English by Wise Owl Music, Gurtnacloona, Bantry, Co.Cork, Ireland
- 5. Zvengrowski, S., (1979), Structural Patterns found in Prelude number 4 by Heitor Villa-Lobos, GFA Soundboard, August
- 6. xxx 1990, Enciclopedia Marilor Maeştrii ai Muzicii, vol.V, Le Livre de Paris – Hachette,
- 7. en.wikipedia.org/wiki/Musician_Wren