Ear training / chord progression recognition
Chord progression recognition: hear the pattern, not just the notes
Interval recognition names one gap between two notes. Chord recognition names one chord in isolation. Chord progression recognition names the pattern of chords across a phrase. This is the level that lets you play along with a song after one hearing. It is trainable, and here is how.
Most tonal music (pop, folk, jazz standards, hymns) uses a small number of progression patterns. If you can hear four or five of them, you can play along with most of the songs on the radio. The core skill is not naming chords; it is naming the pattern of scale degrees the bass line walks.
Listen for the bass, not the melody
The bass line usually walks the root of each chord. If the bass moves down a fifth, you are probably hearing V to I. If it moves up a fourth (same interval, opposite direction), also V to I. If it moves down a whole step then up a fourth, you are probably hearing ii-V-I. Focus your ear on the lowest instrument.
The four workhorse patterns
- I-V-vi-IV: the axis of pop. Bass walks tonic, down a fourth, down a whole step, up a whole step. Try singing it in C major: C, G, A, F.
- ii-V-I: the jazz cadence. Bass walks up a fourth twice, then rests. In C major: D, G, C.
- I-IV-V: the folk and blues shell. Bass walks up a fourth, up a whole step, back to tonic. C, F, G, C.
- vi-IV-I-V: the same axis of pop, one chord rotated (the "sensitive" version). Am, F, C, G in C major.
Karpinski’s curriculum introduces chord progression recognition after single-chord quality recognition, arguing that the ear must first stabilize on tonic and dominant before it can hear the movement between them. His drills follow a specific order: I-V patterns first, I-IV-V, then predominant-dominant-tonic (ii-V-I or IV-V-I), then deceptive resolutions.
Karpinski, Manual for Ear Training and Sight Singing, 2nd ed, ch. 8.
Drill with the ear trainer
Our ear trainer has a progression-recognition mode: workhorses at beginner, secondary dominants at intermediate. Ten minutes a day for two months lands most learners at 85 percent on the randomized quiz.
The listening exercise
Pick a song you know. Identify the chord progression in the first four bars by ear. Check with a chord chart. Twice a week for a month; accuracy will double.
Patterns to add later
- 12-bar blues: I-I-I-I-IV-IV-I-I-V-IV-I-V.
- 50s progression (I-vi-IV-V): "Stand By Me."
- Andalusian cadence (i-♭VII-♭VI-V): in A minor: Am, G, F, E.
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