The series "Ten Studies for Guitar" (unpublished) by Juan Calderon consists of ten different guitar compositions:

1. Gitarrenmarsch
2. Slur Study No. 1
3. F Minor Prelude No. 3
4. Chromatic Dialogue Study
5. Unresolved Suspensions
6. Hammers (Slur Study No. 3)
7. Waltz in C (Pasillo, Slur Study No. 2)
8. Picardy Air
9. Left Hand Extension Study in Eb
10. Snow Watch

Here a preview of "F Minor - Prelude No.3":
http://www.cristianoporqueddu.com/97...es-for-guitar/