Holding the violin (or viola)
Plucking and string names
Tightening the bow
Holding the bow
Playing with the bow
Putting rosin on the bow
Holding the cello #1
Holding the cello #2
Plucking and string names
Tightening and loosening the bow
Holding the cello bow
Playing with the bow
Holding and handling the bass
Plucking
Holding and playing with the bow