On which album did Dan Fogelberg's best know song, which had been released as a single 1980, appear?
Dan Fogelberg:  He is best known for his early 1980s hits, including "Longer" (1980), "Leader of the Band" (1981), and "Same Old Lang Syne" (1981). Same Old Lang Syne: "Same Old Lang Syne" is a song written and sung by Dan Fogelberg released as a single in 1980. Same Old Lang Syne:  It was also included on his 1981 album "The Innocent Age".
"The Innocent Age"