The shock rock legend tackles the difficult subject ... power and yes, sadness. What sad song devastates you like no other? Let us know (if you feel comfortable doing so) in those comments below.

He wasn't afraid to shed a tear or two. Find out what cover song Presley considered the "saddest song" he ever heard, below.

Music can be therapeutic for listeners as well as the artists who create it. Musicians commonly turn to songwriting to deal with personal issues or as a way to process things they see in the world.

The King of rock 'n' roll, Elvis Presley, once revealed the song he claimed was the "saddest" he'd ever heard while ...