[GranTorino]

I watched a bit.
They were all gazing at their shoes.
Or maybe fingers?

[Tired of Taxes]

Supposedly, these bands look more at the foot pedals they use for sound. But, they seem to look down even when they don't use the pedals. I think you're right that they look more at their instruments. For example, here's another band. They are younger, and they look more at their instruments than the crowd.