Here in its second edition, and extensively rewritten, Jazz-Fusionis a book that describes and explains the changes that took place when jazz wasblended with rock, folk, blues, soul, country and classical music. It’s about akind of music that has always been controversial but has now been mostlyabsorbed into the mainstream of popular music. After a brief outline of thehistory of jazz, Ken Trethewey describes the events that rocked the music worldof the 1950s and 60s. He describes the processes by which the established styleof jazz was broadened. Finally, he reviews the major contributors tojazz-fusion and provides an outline to some of the best music of its kind. Thebook is written at a basic level and so a glossary of relevant musical terms isprovided. There is also an extensive discography and index.