Answer:
I help engines spin and pants stay up.
you hold my tail while I fish for you
I hold two meanings. With one I may be broken with the other I hold on.
I've got a beautiful beautiful hall all walled in red velvet with all white armchairs made of bone and in the middle a woman dances.
I have 24 keys but cannot open any locks. Sometimes loud sometimes soft
What has wheels and flies but is not an aircraft?