Forbes contributors publish independent expert analyses and insights. Hugh McIntyre covers music, with a focus on the global charts.

Unless you’ve been living under a rock for the last 50 years, there’s a solid chance you’ve heard Queen’s “Bohemian Rhapsody.” After all, it’s often regarded as one of the greatest songs of all time.

On September 1, 1975, the Grateful Dead, consisting of Jerry Garcia, Bob Weir, Phil Lesh, Bill Kreutzmann, Mickey Hart, and Donna Jean Godchaux, released their eighth studio album, Blues for Allah.

The 1970s were a great time for country music. Willie Nelson, Waylon Jennings, Dolly Parton, and several other major artists released iconic albums and songs. Additionally, legends like John Prine and ...