Here are a handful of songs that help fill in the backstory of what made these British-American rockers so compelling ...

Add Yahoo as a preferred source to see more of our stories on Google. Fleetwood Mac had been through countless lineup changes since staking their claim on the frontlines of the British blues explosion ...

Add Yahoo as a preferred source to see more of our stories on Google. (L-R) John McVie, Christine McVie, Stevie Nicks, Mick Fleetwood, and Lindsey Buckingham of the rock group "Fleetwood Mac" in 1975.

Fleetwood Mac released their self-titled debut album on this day in 1968.

They're on-again, off-again relationship captivated fans and sparked hit songs. But before they joined the band in 1974, early Fleetwood Mac was hard to pin down. (SOUNDBITE OF SONG, "BLACK MAGIC ...