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In the 1970s and early 1980s, the New Orleans brass band tradition experienced a renaissance, with bands breaking away from traditional styles and adding elements of funk, be-bop jazz, and later even hip hop, to their repertoires, applying one of the primary law of life on earth : who can't evolve disappears. This is exactly what the DDBB did : they added “modern” instruments, mainly electric guitar and keyboards, to the traditional brass structure, and modernized the drumming style. While old brass bands gave birth to traditional New Orleans jazz, contemporary brass bands incorporated in turn some modern jazz patterns, especially improvisation spaces.