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Bossa Nova is a genre of Brazilian music that emerged in the 1950s. It is characterized by its relaxed and upbeat tempo, and its use of jazz and samba rhythms. Bossa Nova has been popular worldwide, and has been recorded by many artists, including Yo-Yo Ma. Ma has recorded several albums of Bossa Nova music, including "The Music of Brazil" (1999) and "Ode to Joy" (2011).