While contestants did their tune-up, entertainers appeared on stage to cook up some atmosphere:
A harmonica player? Not really.
The instrument is really just a plastic bag. Here he's belting out "I Can't Live (If Living Is Without You)."
His beatboxing buddy struggles behind with an array of equipment.
As though to prove that the old and the new can coexist (Super PI and 3DMark 11?), the two proceeded to perform together:
We also learnt that blowing into plastic bags is nowhere as mystical as the Malaysian team's Unmanned Results Generator.