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Notes and keyboard
Note names, sharps and flats, half steps and whole steps, and where everything lives on the keyboard.
- Piano Keys 2 minWhich key is which note? Learn the keyboard in minutes.
- Half & Whole Steps 2 minThe building blocks of every scale: find the note a step away, in either direction.
- Enharmonics 3 minOne key, many names. Learn why B♯ is C and C𝄪 is D.
Guided lessons: The Keyboard, Reading Music, Steps & the Major Scale
Reading music
The staff, clefs, ledger lines, accidentals, key signatures and the words on the page.
- Staff Reading 3 minRead the treble and bass clef: name notes, place them, and read key signatures.
- Music Terms 3 minAllegro, legato, forte, D.C. al fine, do-re-mi: the words on the page.
- Staff Intervals & Chords 3 minTwo, three or four notes stacked on the staff: name the interval or the chord at a glance.
- Key Signatures 2 minSharps and flats, instantly: how many, which ones, and which key.
- Sight-Reading 3 minRead a short melody in a key, name the notes, and hear if it matches the page.
- Key Signatures ChartEvery key signature, with sharps and flats and the circle of fifths.
Guided lessons: Reading Music, Rhythm Basics, Circle of Fifths
Rhythm and time
Note values, time signatures, rests, ties, dots, syncopation and compound time.
- Rhythm 3 minCount it, read it, hear it: note values, rests, bars and time signatures.
- Metronome ToolA steady click for practice, with tap tempo to find the speed of any song.
Guided lessons: Rhythm Basics, Rhythm in Depth
Scales and keys
Major, minor, modes and pentatonic scales, key signatures, the circle of fifths and relative keys.
- Degree Names 2 minTonic, supertonic, mediant... know every degree by name.
- Circle of Fifths 3 minWalk the circle without thinking: fifths, relative minors and key signatures.
- Scale Spelling 3 minSpell any scale correctly: fill the gap, spot the wrong note, name the scale.
- Name That Key 2 minSee a chord progression. Name its key.
- Scale Finder ToolTap your notes. See every scale they fit.
- Scales Library ChartEvery major, minor, mode and pentatonic scale, spelled correctly.
- Relative Key Finder ToolPick a key. See its relative, parallel and neighbouring keys.
- Keys Library ChartEvery major and minor key: its chords, notes, progressions and capo.
Guided lessons: Steps & the Major Scale, Circle of Fifths, Accidentals & Enharmonics
Intervals and ear training
The distance between notes, how to build and name it, and how to hear it.
- Interval Builder 3 minName any interval and build the note it lands on, with the keyboard to prove it.
- Ear Training 4 minHear it, name it: intervals, chords, scales, scale degrees and progressions.
- Compound Intervals 3 minIntervals bigger than an octave, and how a 9th is a 2nd in disguise.
- Harmony Parts 2 minFind the third or sixth above or below a melody note, and the notes that fit a chord.
- Sing in Harmony ToolA guide note plays, you sing a harmony against it, and the microphone checks your pitch.
- Harmony Finder ToolType a tune, pick a key, and see and hear a harmony a third or sixth away.
Guided lessons: Intervals, Ear Training: Intervals, Ear Training: Chords
Chords
Triads, seventh chords, suspended, augmented, diminished and colour chords, inversions and chord symbols.
- Inversions 2 minSame chord, different bass note. Learn to spot and play every inversion.
- Sus Chords 3 minSus2, sus4 and 7sus4: what they are, how to use them, and a drill to know them cold.
- Aug & Dim 3 minThe tense, unstable chords explained, with a drill to spot and build them.
- Seventh Chords 3 minAdd the seventh and learn what each flavour does, then drill them.
- 6th & 9th Chords 3 minThe colourful chords of pop, soul and jazz, explained and drilled.
- Triads 3 minThe four triads, how they are built from thirds, and a drill to know them.
- Chord Symbols 3 minWhat Cmaj7, Dm7♭5, G/B and A5 mean, and the other ways to write each chord.
- Altered Chords 3 minThe jazz and funk colours: build and name altered dominants and extended chords.
- Slash & Polychords 3 minIs it an inversion or a new colour? And what does a triad over a bass note make?
- Colour Fit 3 minLearn which colour suits which chord: a 7th on V, a major 7th on IV, a 9th on ii.
- Bass Lines 3 minFill the gap with a slash chord so the bass walks by step, like C – G/B – Am.
- Chord Types ChartSus, augmented, diminished, sevenths, sixths and ninths: what they are and how to use them.
- Chord Finder ToolTap the notes to name the chord, or look up a chord's notes.
- Reharmonise ToolTurn plain chords into 7ths, 9ths, slash-chord bass lines and jazzy colours.
- Progression Analyzer ToolType your chords and find out why they sound the way they do, then get ideas to try.
- Chord Colours Guide ChartWhich colour fits which chord: 7ths, 9ths, sus, 6ths and more, by the job of the chord.
Guided lessons: Triads & Inversions, Chord Symbols & Lead Sheets, Seventh Chords
Harmony and progressions
Chords in a key, Roman numerals, progressions, voice leading and transposing.
- Roman Numerals 3 minI, IV, V, vi: turn numerals into chords and chords into numerals, in any key.
- Voice Leading 3 minKeep common notes, move the rest by step, and make chord changes sound smooth.
- Transposing Instruments 3 minA B♭ trumpet reads C and sounds B♭. Learn what every transposing instrument reads and plays.
- Counterpoint 3 minTwo lines at once: how they move, what to avoid, and which intervals sit well.
- Guide Tones 3 minFind the 3rd and 7th of any chord and follow them through a ii–V–I.
- Transpose Drill 2 minMove a note up or down N half steps, in your head.
- Chords → Key ToolEnter the chords you have. Get the key.
- Chords in Every Key ChartA clean cheat sheet of the chords in all major and minor keys.
- Chord Transposer ToolPaste a song with chords. Change the key.
- Smooth Chord Changes ToolEnter your chords. See which inversions keep your fingers in place.
Guided lessons: Chords in a Key, Chord Progressions, Pentatonic & Blues
Melody and form
Chord tones and passing notes, phrases, song form and the twelve-bar blues.
- Melody Tones 3 minSpot passing tones, neighbour tones, appoggiaturas and escape tones on the staff.
- Song Form 3 minKnow where you are in a song: blues bars, AABA, ABAB, rondo and more.
Guided lessons: Pentatonic & Blues, Melody & Form, Songwriting Harmony
Advanced harmony
Modulation, altered and extended chords, chord scales, tuning and the overtone series.
- Chord Scales 3 minDorian over m7, Mixolydian over 7, altered over 7alt: match scales to chords.
- Modulation 3 minWhich keys are close, which chords they share, and how to move between them.
- Overtones 3 minHear the harmonics inside a single note and learn where intervals come from.
- Key Change Helper ToolPick two keys. See the chords they share and hear a route between them.
Guided lessons: Sound & Tuning, Modulation, Chord-Scale Theory
Instruments and charts
Guitar and ukulele chords, tuner, capo calculator and quick-reference charts.
- Fretboard 3 minName the note at any fret, and find every spot where a note lives. Guitar, bass and ukulele.
- Chord Shapes 3 minName the chord from its diagram, or pick the right diagram for a chord name.
- Capo Calculator ToolWhich capo fret gives you the easiest chords?
- Guitar Chords ToolHow do I play this chord? Pick it and see the shapes.
- Ukulele Chords ToolEvery ukulele chord, with simple diagrams.
- Tuner ToolTune guitar, ukulele, bass, violin or any note, with your microphone.
- Play the Note ToolPlay or sing the note, interval or scale, and the microphone checks it.
Guided lessons: The Fretboard, Chord Shapes