Brothers 3 sing 'Que Sera' on The X Factor Australia 2014 (VIDEO)

Brothers 3 sang 'Que Sera' on The X Factor Australia 2014 Live Show 9 on Sunday, October 5, 2014.

This was a fun little performance, and provided a window into what a Brothers 3 album would sound like. The vocals were solid as well. I don't imagine this is going to be everyone's cup of tea, but I still think Brothers 3 has a wider appeal than even the judges might realize, and not just because they come across as supremely likable chaps. There's a certain timeless quality to their sound that will allow them to fit in with almost any era they're dropped into in this competition. They sound old-fashioned but also surprisingly current. And that's definitely to their advantage. I'd argue it's why they've lasted as long as they have, and not simply the "Boy Band Factor" they've got going for them.

But what do you think of Brothers 3?

Watch the performance video below: