that guy in the background is either:
1) a dad, buying his estranged son he never sees (aka the keytar kid) a pricey gift so he will not have to see him for 6 months (you can see the disdain in his eyes) - or
2) a salesguy, who is tired of punk kids dirtying up the fantastic new space-age gear no one can afford (again, see the disdain) and wants desperately to "bring down the hamma" on this kid's noggin
dig the rebellious nylon flaming keytar strap