The Eagles are an American rock group.
`` Already Gone '' is a song recorded by the American rock band Eagles for their 1974 album On the Border . Eagles (band) . The band released On the Border in 1974 , adding guitarist Don Felder as the fifth member midway through the recording of the album . Long Road Out of Eden is the seventh studio album by American rock band the Eagles , released in 2007 on Lost Highway Records . On the Border is the third studio album by American rock group the Eagles , released in 1974 . `` One of These Nights '' is a song written by Don Henley and Glenn Frey and recorded by the American rock band Eagles .