Key: A minor (Section A) A Major (Section B)

Musical Form: Ternary form with introduction and coda Musical Texture: Homophonic
Rhythm: Bossa nova dance
Tempo: Andante moderato

Etude de Bossa is a Bossa Nova music. Bossa nova is Portuguese, Bossa refers to the natural style and temperament when playing the Samba music, and Nova means new. This style originated in Brazil in the late 1950s. The composer Antonio Carlos Jobim and the guitarist João Gilberto may be considered the founders of this style, and later became the style of the theme song of A Felicide and Desafinado in the film Black Orpheus and caused a craze. The characteristic of Bossa nova rhythm is that the first, fourth, seventh, and eleventh beats of every two bars are retakes, and the others are light beats.