This John Denver best-of spans many of the high points of his songwriting career, including the song that introduced him to chart success, "Leaving on a Jet Plane," the much-covered "Take Me Home Country Roads," the gorgeous "Annie's Song," and the joyous "Rocky Mountain High," as well as his 1983 duet with Emmylou Harris, "Wild Mountain Skies." Personnel: John Denver; Emmylou Harris.