On the Border is the third studio album by the Eagles, released in 1974. During the making of the album, the band experienced significant changes. As the band tried to lean towards a more hard rock sound, they felt that producer Glyn Johns overemphasized their country sound. After recording only two songs, the band let go of Johns and hired Bill Szymczyk. At Frey's request they brought in guitarist Don Felder to add slide guitar to the song "Good Day in Hell". The band was so impressed that they invited Felder to become the fifth Eagle. They credited him as a late arrival on the album's liner notes. The album reached #17 on the charts and sold 2 million copies. The album also released three singles, "Already Gone", "James Dean" and "Best Of My Love". The singles reached #32, #77 and #1 respectively. "Best of My Love" became the band's first of five chart toppers.
This is the first album by the Eagles to be released in Quadraphonic surround sound. It was released on Quadraphonic 8-track tape and CD-4 LP. A hidden message carved into the run out groove of vinyl LPs reads: "He who hesitates is lunch".