Crossword puzzle clue "it's easy if you try song"

"It's easy if you try" song

"___ first you don't succeed, try, try again": 2 wds.

Org. for Ann Miller, who said "You try to help them, try to sing and dance ... it's heartbreaking."

Put your head down, try this, and you'll breathe easy

TRY TRY AGAIN

"Try" ... "try" again?

Dido "___ angel, but please don't think that I won't try and try"

Try and try again