Glenn Frey: Eagles Singer, Songwriter, Cofounder

If there was a band that epitomized the zeitgeist of the mid-1970s, it was the Eagles, a quintet of laid-back troubadours who filled sports stadiums with fans clamoring to hear “Take It Easy,” “Lyin’ Eyes,” “Hotel California,” “Already Gone” and other hits. A key part of the band’s massive success was Glenn Frey, who passed away on Jan. 18 at age 67 in New York. The ruggedly handsome, square-jawed tenor and his bandmate Don Henley were the Lennon-McCartney of country …