All in a heartbeat

One note on a piano,
The beating begins.
Moderate, steady, and sure of itself,
The music knows no boundaries.

I sit, I stretch, and I wait for the cue,
Eyes dart, head hot, hands sweaty.
Adrenaline pulsates.
My beating begins.

The floorboards creak, the smell is stale
Musty, wet,
Unpleasant waiting.
Beating, rising to the challenge.

Suddenly, I lift my soul,
Poised. Calm. Beautiful.
The beating of ballet has begun.