It’s a bit of an unusual choice of air instruments for a quartet. From right to left, you have the air viola, the air piano, the air violin, and instead of the expected air cello, on the far left, it looks like they’ve gone with an air bass.
I think it’s pretty clear that she’s only playing the air piano with her right hand, and the reason her left hand looks funny is that she just pulled it out of that guy’s pocket next to her, having stolen his air wallet.
It’s a bit of an unusual choice of air instruments for a quartet. From right to left, you have the air viola, the air piano, the air violin, and instead of the expected air cello, on the far left, it looks like they’ve gone with an air bass.
I think the lady is air cello, not piano - her left hand is on the neck, right hand holding a bow
The sitting guys could both be violins too, hard to tell.
I think it’s pretty clear that she’s only playing the air piano with her right hand, and the reason her left hand looks funny is that she just pulled it out of that guy’s pocket next to her, having stolen his air wallet.