This document provides an overview of developments in jazz during the 1970s-1990s. It discusses the work of Keith Jarrett, Wynton Marsalis, Miles Davis, and Pat Metheny. It also describes the crossover album "Dream of the Blue Turtles" by Sting, the M-Base collective, acid jazz, expanding jazz repertoire, and ECM records. The document frames jazz as an evolving international genre open to diverse influences.