The focus of this series is on the language of instrumental music
nowadays performed in Brazil, based on elements of modern improvisation.
Each volume contains two CDs with seven pieces of music, which are
presented in the following versions: full versions; without melody/solo
part; without harmony, without bass; without drums. Each book contains
the scores in the form of lead sheets in four different versions: in C,
B-flat, E-flat, and bass clef.