Answer:
I dance on one feet and knows only one shape. Someone with same name as me is very good with directions
You can drop me from the tallest building and I’ll be fine, but if you drop me in water I die. What am I?
I am a king who's good at measuring stuff.
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
I can be repeated but rarely in the same way. I can't be changed but can be rewritten. I can be passed down, but should not be forgotten. What am I?
No matter how little or how much you use me, you change me every month.