Though Sor wrote hundreds of instructional pieces, Segovia selected twenty specific studies based on their "musical and technical qualities". Critics note that Segovia likely based his selection on a 19th-century collection by Sor's student, Napoléon Coste, rather than the original manuscripts.
The 20 studies are designed to bridge the gap between pure mechanical exercises and concert repertoire. 20 Sor Studies (Segovia) - tonebase Community segovia 20 sor studies pdf
If you finish the 20, move to the (Chanterelle Verlag) – but only after you have mastered Segovia’s fingerings. Though Sor wrote hundreds of instructional pieces, Segovia