Daniel Grayling `` Dan '' Fogelberg ( August 13 , 1951 â `` December 16 , 2007 ) was an American singer , songwriter and multi-instrumentalist , whose music was inspired by sources as diverse as folk , pop , classical , jazz , and bluegrass music . Daniel Grayling `` Dan '' Fogelberg ( August 13 , 1951 â `` December 16 , 2007 ) was an American singer-songwriter , composer , and multi-instrumentalist , whose music was inspired by sources as diverse as folk , pop , rock , classical , jazz , and bluegrass music .