whats the name of this song?

[Wildcat!]

http://uk.youtube.com/watch?v=1fFBDR8jiKA

from last year, I just dont know the name of it.

He shouldve made it ahead of Leon by the way.

[SammyAyee]

[b]Mack the Knife

yeah he was great he should have made it through to the live shows

[Locke.]

Mack the Knife, Austin sang it on the live shows this year

[Wildcat!]

Oh right, thanks guys!