Why Can a Familiar Piece Falter When Someone Is Listening?

A piece that feels secure in private may not remain equally secure when someone sits nearby. Once a listener is present, the task has changed: bodily arousal may rise, attention may shift towards how one is being judged, and a small slip can trigger intrusive self-monitoring. Movements that normally connect automatically can become hesitant when each one is consciously inspected. This does not necessarily mean the piece was never learned; it may mean the performance situation itself has not been practised.

The British Association for Performing Arts Medicine notes that performance anxiety involves increased bodily arousal and may emerge only in particular places, around particular people, or in situations labelled important. Its management also improves with practice. That does not imply one method suits everyone, but it supports a practical conclusion: do not leave the first complete performance until the real occasion.

For example, ask one familiar person to sit quietly while you play once from sitting down and pausing through to the final sound. Keep going after a minor slip. Afterwards, note only the earliest change: did the opening rush, did breathing become shallow, or did recovery fail after an error? Next time, add two or three listeners or use another room. The aim is not to manufacture fear, but to make maintaining musical direction while being heard a progressively familiar task.

https://www.bapam.org.uk/managing-performance-anxiety/

If you use <a href="https://apps.apple.com/us/app/scoreflow/id6796205656">ScoreFlow</a&gt; to support your piano practice, carry this principle into it: alongside correcting notes, include occasional uninterrupted mock performances from beginning to end.