Answer:
My voice is tender my waist is slender and I'm often invited to play. Yet wherever I go I must take my bow or else I have nothing to say.
I have a ring but no fingers. I used to stay still all the time but nowadays I follow you around.
I climb higher as I get hotter. I can never escape from my crystal cage.
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
I keep things green and keep kids happy during summer time.
What never gets any wetter no matter how hard it rains?