Come scrivevo, Bossa Nova nasce dalla fusione Jazz e Samba:Originariamente Scritto da Jovalsa
Bossa nova is at its core a rhythm based on samba.
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As bossa nova composer Carlos Lyra describes it in his song "Influência do Jazz", the samba rhythm moves "side to side" while jazz moves "front to back".
In terms of harmonic structure, bossa nova has a great deal in common with jazz, in its sophisticated use of seventh and extended chords.