Answer:
I have 24 keys but cannot open any locks. Sometimes loud, sometimes soft. What am I?
I begin and have no end and I end all that begins. What am I?
I can be heard in a court or carried with you.
I contain six letters, minus one and you got twelve. What am I?
While you were folding a letter you got me. Usually you will do whatever it takes to avoid me but now you can't help but find me.
What language does a billboard speak?