How many songs can we find that deal with the subject of happiness, gladness, any positive messages, in the title or lyrics? Smiling, Smiles, Thankful, etc. And then there's the flip side. Sadness, Unhappy, Down and Out songs. There must be bunches of them. "Bluebird of Happiness" And so remember this, life is no abyss, somewhere there's a bluebird of happiness, by Art Mooney. "I Can't Smile Without You" lyrics by Barry Manilow. "Most Happy Fella" A 1956 musical.