Answer:
When set loose I fly away. Never so cursed as when I go astray.
What stays on the ground but never gets dirty?
A red drum which sounds without being touched, and grows silent, when it is touched.
Upon me you can tread, though softly under cover. And I will take you places, that you have yet to discover. I'm high, and I'm low, though flat in the middle. And though a joy to the children, adults think of me little.
All about, but cannot be seen, Can be captured, cannot be held, No throat, but can be heard. Who am I?
I repeat only the last word you say. The more I repeat, the softer I got. I cannot be seen but can be heard. What am I?