The enduring song was co-written and first recorded by a music icon before becoming a chart-topping it.

The chart-topping '70s hit went from being labeled a 'piece of crap' in the studio to becoming a Grammy-winning song.

Add Yahoo as a preferred source to see more of our stories on Google. What makes a song a number one hit? It's a question that musicians (or, perhaps more accurately, music executives) have pondered ...