Glenn Frey

The founding guitarist left the group soon after what he later admitted was a "very disrespectful" act.

They helped complete six Eagles LPs over just eight years in the '70s. But only 10 solo releases followed.

He wasn't the most prolific member of the group, but nevertheless had this remarkable consistency.

Teamwork can really pay off.

Some moments were quite surprising for fans who liked them better in Old West outfits.

These projects tend to arrive at significant moments.

Eagles began an unexpected final chapter, despite his passing.

Jackson Browne and Glenn Frey co-wrote "Take It Easy," the opening track on the Eagles' 1972 self-titled debut – and the band's first hit single.