Daniel Grayling Fogelberg (August 13, 1951 – December 16, 2007) was an American singer-songwriter and musician. He is known for his 1970s and 1980s songs, including "Longer" (1979), "Same Old Lang Syne" (1980), and "Leader of the Band" (1981).

Source: Wikipedia (https://en.wikipedia.org/wiki/Dan_Fogelberg)