Tonic

The note upon which a scale or key is based; the first note of a scale or key; the keynote. The keynote of a piece of music. The tone that is felt to be a point of rest. Music often concludes on this note for a feeling of completeness.the first note of a scale; a chord built on the first note of a scale<br><br>The keynote of a piece of music. The tone that is felt to be a point of rest. Music often concludes on this note for a feeling of completeness