Sérgio Assad’s 24 Studies for Guitar (2020), also known by the title Kaleidokithara, represents a monumental addition to the classical guitar repertoire, specifically written for and dedicated to guitarist João Luiz Rezende Lopes.  Thematic Structure and Homage 

Composed in March 2020, the set is often associated with the name "Kaleidokithara". It serves both as a pedagogical rigorous training ground and a deep exploration of the Brazilian musical soul. The Core Philosophy: Rhythms and Tributes

Performance Practice: How to Interpret Assad

If you are preparing to perform one of these studies, abandon the "etude" mindset. Do not play them fast to prove you can. Instead:

• Extended chords: 9ths, 11ths, 13ths.
• Chromatic mediant relationships: Moving from C major to E major without warning.
• Polytonality: Two keys sounding simultaneously.

As a "performer-composer," Assad utilizes the computer for modern, clear notation to capture increasingly complex harmonies. The 24 Studies are characterized by:  Sérgio Assad - 24 Studies for Guitar; II. Nazarethiana

Texture and Sound: He emphasizes a "two-guitar sound" on a single instrument, using open strings to facilitate legato playing, minor second clusters, and seamless position changes.

The Genesis of the 24 Studies