Which conductor shaped the sound of the philadelphia orchestra by asking the string players to use his free bowing technique?

It was Leopold Stokowski. It was him who introduced the free bowing into the strings to produce a pulsating sound. As a result, it makes a continuous, seamless sound.

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Answer the awkward tilt of the room and the linear brushstrokes on the floor (encourage the viewer into the space) this is all i could find, so plz check if it is right or wrong/// good luck