After adding the .glb file to your scene right click on the node it added and check mark Editable Children.

By selecting any string and expanding the Blend Shapes tab, You can make each fret to be hold, vibrate or go up/down.

Tuner pegs can be rotate on their local Y axis for making a rotation animation.

Tuner posts can be rotate on their local z axis for making a rotation animation.

Textures used:

https://polyhaven.com/a/black_painted_planks

https://polyhaven.com/a/wood_table_001