What makes Sanfona by Egberto Gismonti notable?

'Sanfona' is notable for its intricate arrangements that reflect both Brazilian folk traditions and avant-garde jazz influences. The album solidified Gismonti's reputation in the global music scene, receiving critical acclaim and contributing to the rise of Latin jazz in the 1980s. By 1981, Egberto Gismonti had already established himself as an influential figure in Brazilian music, following his acclaimed album 'Dança das Cabeças' in 1977. 'Sanfona' marked a further exploration of his unique blend of jazz and traditional Brazilian styles, showcasing his growth as a composer and instrumentalist.