Interval Recognition: Perfect and Major
Introduction
An interval is the distance between two notes. Recognizing intervals by ear is the most fundamental aural skill — it is the building block of melody, harmony, and chord recognition.
Perfect Intervals
Perfect intervals are called “perfect” because they sound stable, consonant, and unchanged when inverted.
Perfect Unison (P1)
- Two identical notes.
- Song example: “Happy Birthday” — the repeated first note.
- Sound: completely stable, no tension.
Perfect Fourth (P4)
- Five semitones apart.
- Song example: “Here Comes the Bride.”
- Sound: open, strong, hymn-like.
Perfect Fifth (P5)
- Seven semitones apart.
- Song example: “Star Wars” (first two notes).
- Sound: powerful, open, heroic.
Perfect Octave (P8)
- Twelve semitones apart.
- Song example: “Somewhere Over the Rainbow” (first two notes).
- Sound: complete, wide, the same note at a different pitch.
Major Intervals
Major intervals have a bright, happy quality.
Major Second (M2)
- Two semitones apart.
- Song example: “Happy Birthday” (first two notes).
- Sound: stepwise, smooth, connected.
Major Third (M3)
- Four semitones apart.
- Song example: “Oh When the Saints.”
- Sound: happy, bright, consonant.
Major Sixth (M6)
- Nine semitones apart.
- Song example: “My Bonnie Lies Over the Ocean.”
- Sound: warm, sweet, nostalgic.
Major Seventh (M7)
- Eleven semitones apart.
- Song example: “Take On Me” (first two notes).
- Sound: bright, jazzy, slightly unresolved.
Practice Strategy
- Listen to each interval with a reference song.
- Sing the interval starting from the bottom note.
- Check with a piano.
- Practice in random order until recognition is instant.
Conclusion
Perfect and major intervals are the foundation of interval recognition. Master these first, and the minor and augmented intervals will build naturally on this base.