I don’t think there is ever a situation while playing an instrument where you need to make this face.

Sorry you have never felt the music

Mick Fleetwood would do the same.

You are right she's making the wrong face.

She's having fun

They're making mascara face, it's helpful for us to do this when competing in a male dominated field

I present John Mayer.

Them: How does watching this vid make you feel? Me:

She absolutely should pay more attention to where she’s hitting. I can hear her sticks hit the rim during her bass face

Este Haim, as in fine