I fly a starship across the Universe divide / And when I reach the other side / I'll find a place to rest my spirit if I can / Perhaps I may become a [BLANK] again
The title of WHAT SONG fills in the blank above? The song tells the story of a man reincarnated four times (as a sailor, dam builder, starship captain, and the titular occupation). Originally recorded by Jimmy Webb and later covered by Glenn Campbell, it's most famous for having been covered by a country music supergroup who took their name from the song.
HIGHWAYMAN (covered by the Highwaymen)