Heart Damn Yankees, Eddie Fisher (#6 in 1955),
The Four Aces featuring Al Alberts (#13 in 1955)
See Also: You Gotta Have Skin 

You’ve gotta have heart
All you really need is heart
When the odds are sayin
You’ll never win
That’s when the grin should start
You’ve gotta have hope
Mustn’t sit around and mope
Nothins half as bad as it may appear
Wait’ll next year and mope
When your luck is battin zero
Get your chin up off the floor
Mister you can be a hero
You can open any door
There’s nothin to it but to do it
You gotta have heart
Miles and miles and miles of heart
Oh it’s fine to be a genius of course
But keep that old horse before the cart
First you’ve gotta have heart