If you could give everything that you have, to gain just one thing, what would that one thing be?

Question

If you could give everything that you have, to gain just one thing, what would that one thing be?
Or, dont you think it would be worth it? There is something that I would like to possess that much, just the ability to sing a song one song in particular. Im asking out of curiosity, thats all.

Answer

my dad to speak again or walk