With so many talent and reality shows on TV these days, it is sometimes so easy to gauge just how the performance would be the moment the contestant steps on the stage. We can readily predict those who are sure to stand out and those that are bound to flop.

From time to time, however, there are people who completely blow your mind. These people do not appear amazing at first sight yet they quickly change your first opinion the moment they begin their presentation!

That’s exactly what happened to a group called Old Men Grooving, composed of old men! At first glance, it was easy to categorize them as a would-be flop, as another boring group who would (most likely) be singing. You can even see Simon Cowell almost rolling his eyes as the group takes the stage.

Then, the music started…and they completely had everyone’s attention! They are simply amazing!

Watch their awesome performance here: