Intervals & Chords
8 tools
Tools — 8 tools
Chord progression player
Browse the progressions behind pop, rock, jazz, blues and classical music, hear each one in any key on piano or guitar, and loop it at your own tempo to practice or write over.
Chord finder
Pick a root note and a chord type — major, minor, sevenths, suspended and more — and see the chord on the piano, named and spelled out for you.
Interval reading trainer
Two notes appear on the staff, you name the interval between them, and you can hear it — with instant feedback and a running score.
Interval ear trainer
Train your ear to recognise intervals: hear two notes, name the interval. Instant feedback and a running score.
Chord analysis tool
Pick a major or minor key and see its seven diatonic triads with numerals, chord symbols, and notes — click a numeral to light the chord on the keyboard and hear it.
Chord ear trainer
Train your ear to recognise chords: hear a chord, name its type — major, minor, diminished and more. Instant feedback and a score.
Chord reading trainer
A chord is stacked on the staff, you name its type, and you can hear it — with instant feedback and a running score.
Interval finder
Pick a root note and an interval — from a minor second to an octave — and see and hear the two notes on the piano.
Read about Intervals & Chords — 37 articles
All 37 articles →Piano chord progressions: the chart, the voicings and the songs
The piano chord progressions behind most songs, a chart of the chords in all 12 major and minor keys, and how to voice each one with two hands: left-hand roots, right-hand inversions and smooth voice leading.
Music theory basics: the ten ideas behind every song, in order
Music theory for beginners in ten steps, from note names and the staff to scales, keys, intervals, chords and progressions: the short answer for each, a free tool to practice it, the full lesson and a rough time.
Ukulele for beginners: how to choose, hold, tune and play your first chords
A complete first guide to the ukulele: the four sizes, holding and tuning, how to read chord diagrams, the eleven first chords with frets, four strums, seven songs and a 4-week plan.
Guitar Chord Progressions: the Patterns Behind Most Songs
Chord progressions are numbers, not names — learn I–V–vi–IV once and you can play it in any key. The seven chords of the five guitar keys, the eight progressions worth memorizing, the songs that use them, and how to move any of them with a capo.
Barre Chords: the 8 Movable Shapes and How to Make Them Ring
A barre chord turns your index finger into a movable nut, so one shape gives you twelve chords. Here are the eight shapes that cover 96 chords, a fret-by-fret root chart for both root strings, and the fixes for every kind of buzz.
Guitar Chords: A Beginner's Guide
What a guitar chord is, how to read a chord diagram, and the eight essential open chords to learn first — each linked to an interactive finder where you can see the fingering and hear it.
All 37 articles → · 31 more