Frank Sinatra with Tommy Dorsey blue skies

Blue skies smilin' at me
Nothin' but blue skies do I see
Bluebirds singin' a song
Nothin' but bluebirds all day long
All the days are hurryin' by
When you're in love, my how they fly
Blue days, all of them gone
Nothin' but blue skies from now on