Answer:
What is something you will never see again?
Sitting down you have it, Standing up you don't.
Rotten trees and Jack-O-Lanterns have this characteristic in common.
What instrument plays from the heart?
These are needed to finish a test
I fly to any foreign parts assisted by my spreading wings. My body holds an hundred hearts Nay I will tell you stranger things when I am not in haste I ride and then I mend my pace anon.