Fleetwood Mac has had more than one era, but the two most famous were influenced first by the blues instincts of Peter Green and then the California pop genius of Lindsey Buckingham and Stevie Nicks.

Fleetwood Mac’s “Rumours Live,” the live recording of the band’s concert at The Forum in Los Angeles on Aug. 29, 1977, will be released on Sept. 8. The double album will feature nearly 90 minutes of ...