Answer:
I am the noblest musical instrument
I am in the past never in the future. I don't exist but have existed. I saw what you saw and that is what I will ever see.
I move without wings Between silken string I leave as you find My substance behind.
I am an object which is used in baseball during the day I can't be seen at all
What gets broken without being held?
What did the piece of wood say when he saw the screwdriver and screws approaching?