John Denver (December 31, 1943 – October 12, 1997), born Henry John Deutschendorf, Jr., was an American country music/folk singer-songwriter and folk rock musician. He was one of the most popular acoustic artists of the 1970s in terms of record sales, recording and releasing around 300 songs, of which about 200 were composed by him. He was named Poet Laureate of Colorado in 1977. Songs such as "Leaving on a Jet Plane" (1967), "Take Me Home, Country Roads" (1971), "Rocky Mountain High" (1972), "Sunshine on My Shoulders" (1973), "Thank God I'm a Country Boy" (1974), "Annie's Song" (1974), and "Calypso" (1975) are popular worldwide. Denver has been referred to as "The Poet for the Planet", "Mother Nature's Son" (based on The Beatles song he covered) and "A Song's Best Friend".