Sergio Assad 24 Studies Work [upd] -

| Category | Studies | Core Challenge | | :--- | :--- | :--- | | | Nos. 1, 2, 3, 4 | Maintaining steady bass rhythms while playing syncopated melodies above. | | Left-Hand Dissonance & Stretches | Nos. 5, 6, 8, 12 | Wide intervallic leaps and clusters that mimic piano voicings. | | Polyrhythms & Syncopation | Nos. 11, 13, 16 | Playing 3 against 2, 4 against 3, and off-beat accents that fight the meter. | | Percussive Effects | Nos. 10, 14, 18 | Slap harmonics, tambora , nail attacks, and battuto (hitting the strings). | | Speed & Articulation | Nos. 15 (Frevo), 20, 24 | Relentless sixteenth notes, rapid string crossings, and thumb sweeps. |