What is the significance of the chromatic scale in music theory and how is it utilized in composition and performance?

The chromatic scale is important in Music Theory because it includes all 12 notes in an octave, allowing for a more complete understanding of harmony and melody. In composition, it is used to create tension, resolution, and color in music. In performance, musicians use the chromatic scale to add embellishments, create chromatic passages, and explore different tonalities.