A dissonant interval refers to two notes played together that sound unstable or tense due to their close proximity or clash in pitch.
Consonant Interval: A consonant interval refers to two notes played together that sound stable and pleasant due to their harmonious relationship.
Resolution: Resolution occurs when a dissonant interval resolves into a consonant interval, providing relief from tension.
Harmonic Series: The harmonic series is a sequence of pitches created by multiplying frequencies, which helps explain why certain intervals sound consonant or dissonant based on their harmonic relationship.