What are the characteristics and significance of dissonance intervals in music theory?

Dissonance intervals in Music Theory are characterized by a sense of tension or instability when played together. They create a feeling of unresolvedness that can add emotional depth and complexity to music. Dissonance intervals are significant because they create contrast with consonant intervals, adding interest and variety to musical compositions. They are often resolved to consonant intervals to create a sense of resolution and completion in the music.