The foundation of a trained ear. Listen to two notes and identify the distance between them — in semitones, in sound, in feel. Accuracy over speed.
| Interval | Symbol | Semitones | Example | Mnemonic |
|---|---|---|---|---|
| Unison | P1 | 0 | C → C | "Here Comes the Bride" (same note) |
| m2 | ♭2 | 1 | C → D♭ | "Jaws" theme |
| M2 | 2 | 2 | C → D | "Happy Birthday" |
| m3 | ♭3 | 3 | C → E♭ | "Smoke on the Water" |
| M3 | 3 | 4 | C → E | "When the Saints Go Marching In" |
| P4 | 4 | 5 | C → F | "Here Comes the Bride" |
| Tritone | ♯4 | 6 | C → F♯ | "The Simpsons" theme |
| P5 | 5 | 7 | C → G | "Twinkle Twinkle" |
| m6 | ♭6 | 8 | C → A♭ | "The Entertainer" |
| M6 | 6 | 9 | C → A | "My Bonnie Lies Over the Ocean" |
| m7 | ♭7 | 10 | C → B♭ | "Somewhere" from West Side Story |
| M7 | 7 | 11 | C → B | "Take On Me" |
| Octave | 8 | 12 | C → C' | "Somewhere Over the Rainbow" |