Answer:
In the evening I'm long, in the morning I'm smallอพ When seen in a ballroom, I'm nothing at all.
Many hear me, but no one sees me, and I only speak when spoken to
I cannot be felt, seen or touched. Yet I can be found in everybody. My existence is always in debate. Yet I have my own style of music.
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
As light as a feather, but you canโt hold it for ten minutes.
People take me on walks and I run and have fun. What am I?