The collection is categorized as difficulty and is published by Les Editions Doberman-Yppan . Because the complete set is extensive, it is typically released in volumes:
While maintaining standard tuning for most of the cycle to preserve the guitar's natural sonority, Assad introduces alternate tunings—such as the 6th string to F or D—toward the end of the set. Noteworthy Individual Studies sergio assad 24 studies updated
| Volume | Keys Covered | Technical Focus | Stylistic Influence | |--------|--------------|----------------|----------------------| | Book I (Nos. 1–12) | C to B major (sharps) | Arpeggios, slurs, scale passages, simple polyrhythms | Choro, Modinha, Classical | | Book II (Nos. 13–24) | F# to F major (flats) | Extended techniques, percussive effects, complex meters | Samba, Baião, Frevo, Jazz fusion | The collection is categorized as difficulty and is
: These were largely developed around 2020–2021, providing a fresh repertoire for soloists during a period when many performers were seeking new material for recordings and live performances. 1–12) | C to B major (sharps) |