C major remains C major when its C, E, and G are arranged differently. C–E–G is root position. Move the lowest C up an octave and you have E–G–C, first inversion. Move the lowest E up an octave and you have G–C–E, second inversion. The root is still C; the bass note is now E or G.
Selected event 1: C4 + E4 + G4 · 4 beats · Right-hand fingers 1, 3, 5
Stopped. Select a note with Next note, or play with sound.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
Tempo: 60 quarter-note beats per minute. The count-in lasts 4 beats. Durations in the selected-note readout use quarter-note units. Tempo changes and Reset stop playback and select the first note. Audio starts only on request, plays once, and stops when hidden or off-screen. The tones are synthesized pitch guides, not a piano recording. A short release gap separates notes. Next note advances to the next attack in either hand. Held notes stay highlighted. There is no moving cursor. Start at low device volume.
Look at the first score, Three positions of C major. Each vertical group has three noteheads at the same horizontal location. That placement means the pitches start together. Read the group from its lowest notehead upward to identify its arrangement, but do not turn that reading order into three successive sounds. The whole-note shapes give each group four beats. There are three bars here, not three beats. Keep counting through each bar even though the hands have no new attack on beats 2, 3, or 4.
The first group contains C4, E4, and G4. C4 sits on the ledger line below the treble staff, E4 on the bottom staff line, and G4 on the next line up. All three noteheads therefore lie on lines, including the short ledger line. That alternating-letter shape comes from skipping D and F. The printed fingers associate thumb 1 with C, finger 3 with E, and finger 5 with G. They describe one simultaneous hand shape rather than a sequence of finger changes.
The next group places E4 lowest, then G4, then C5. Locate C5 in the third space up from the bottom of the treble staff. Its higher octave matters physically, although its letter is still C. If you leave C at C4 instead, you have not played the written arrangement. With fingers 1, 2, and 5, the thumb now plays E rather than C. The same thumb can therefore play different chord members in adjacent bars. The fingering is a plan for this score, not a permanent label on a key.
Before playing the three bars, point to each chord's bottom and top notes on the score. Then find each shape separately at the keyboard without timing the change. Release one shape before moving to the next. Once the destinations are clear, count four beats for each chord. A late upper note changes a simultaneous attack into a spread attack, even if every pitch is correct. Listen for whether the group begins together, but do not try to correct a delayed note by pressing harder. If the position is uncomfortable, stop rather than preserving the written shape at any cost.
Play these slowly with the right hand: 1–3–5, then 1–2–5, then 1–3–5. The printed chord finger numbers run alongside their respective noteheads. They are not a melodic sequence: the three notes start together. Move the hand between positions instead of holding old notes while stretching for new ones.
The spacing changes from one position to another. First inversion E–G–C has a third then a fourth, not two thirds. Therefore the earlier “4 then 3 semitones” shortcut describes a major triad in root position; it does not describe every voicing of a major chord.
A voicing is a particular arrangement of a chord's pitches. Compare the same C–F–G–C progression below. The first uses root positions. The second keeps the notes in a smaller area: C–E–G, C–F–A, B–D–G, C–E–G. Those middle chords are F major in second inversion and G major in first inversion.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
Selected event 1: C4 + E4 + G4 · 4 beats · Right-hand fingers 1, 3, 5
Stopped. Select a note with Next note, or play with sound.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
Tempo: 60 quarter-note beats per minute. The count-in lasts 4 beats. Durations in the selected-note readout use quarter-note units. Tempo changes and Reset stop playback and select the first note. Audio starts only on request, plays once, and stops when hidden or off-screen. The tones are synthesized pitch guides, not a piano recording. A short release gap separates notes. Next note advances to the next attack in either hand. Held notes stay highlighted. There is no moving cursor. Start at low device volume.
A chord's root names its construction. The lowest sounding note describes its current arrangement. Those facts can agree, as in C4, E4, G4, or differ, as in G4, C5, E5. In the third bar of the positions score, the bottom note is G4, but the letters still form the C-major collection. To recover the root-position spelling, begin at C and take alternate letters upward, C, E, G. That ordered spelling explains why C remains the root even when it is not the lowest key under the hand.
The inversion names follow which chord member is lowest. Root position puts the root at the bottom. First inversion puts the third there. Second inversion puts the fifth there. In C major, E is called the chord's third because it lies a third above the root C; G is its fifth. These names describe intervals from the root, not positions in a three-item list or finger numbers. E is the second entry in C, E, G, yet it is the chordal third. In the first-inversion example E uses the thumb, not finger 3.
Check the actual distances in E4, G4, C5. E to G spans the letters E, F, G, so it is a third. G to C spans G, A, B, C, so it is a fourth. In semitones those gaps are three and five. Compare G4, C5, E5, whose lower gap is five semitones and upper gap four. The gaps between neighboring written pitches change when a note moves up an octave. The unchanged fact is membership in C, E, and G, not a fixed pair of adjacent gaps.
Use a contrasting case to test the distinction. C4, E4, and A4 do not become C major merely because C is lowest and the notes fit under three fingers. Those letters can be rearranged as A, C, E, the A-minor triad introduced earlier. By contrast, C4, E4, and G5 still use the C-major letters, although the larger spacing makes a different voicing. Do not attempt that wide shape here. Identify it mentally to see why chord identity, inversion, and physical span are separate questions. This lesson's printed examples keep the notes closer together.
Use the two scores in Compare the two routes as a controlled comparison. Both give C major, F major, G major, and C major, with one four-beat chord per bar. Their rhythm and chord order match. What changes is the register and arrangement of the middle chords. Comparing these scores therefore tells you something about movement without also changing the musical duration. Read one route through without playing, then the other, and trace the lowest, middle, and highest note separately instead of treating each chord as an unrelated picture.
In the root-position route, the first change takes C4, E4, G4 to F4, A4, C5. The lowest line moves from C to F, the middle from E to A, and the highest from G to C. Each voice rises a fourth. Here voice means one pitch line within the chord sequence, not a singer or an extra hand. The entire group shifts upward. The next chord raises that group again to G4, B4, D5. Returning to C4, E4, G4 then requires a larger downward relocation.
In the nearby route, the first change takes C4, E4, G4 to C4, F4, A4. The lowest pitch stays at C4. The middle moves E to F by a semitone, while the highest moves G to A by a whole tone. The top of this second chord is A4 rather than the C5 of the root-position route. That lower top note is one reason the hand stays in a smaller area. Both choices give F major because F, A, and C remain present. The second route has not substituted a different chord.
The next nearby change takes C4, F4, A4 to B3, D4, G4. All three pitch lines descend, but by different distances. C4 to B3 is a semitone, F4 to D4 a third, and A4 to G4 a whole tone. B3 lies in the space just below C4's ledger line, so the score briefly reaches below the starting chord. Smaller overall movement does not mean that every note stays inside C4 through G4. Find B3 before timing this change, and notice that the printed 1, 2, 5 shape differs from the preceding 1, 3, 5 shape.
Smaller movement is a useful choice, not a rule that every chord must use the nearest inversion. Melody, bass line, register, and style also matter. Here the goal is to distinguish chord identity from its arrangement and make a short progression easier to play.
A common tone is a pitch shared by neighboring chords. In the nearby route, C4 belongs to both the opening C-major chord and the following F-major voicing. The thumb plays C4 in both. You can locate that key as a reference while preparing F4 and A4. This does not require holding C across the bar line. The score gives a new chord attack at the start of each bar. A repeated pitch can occur within a newly attacked chord, and the player sounds it again with the other two pitches.
Compare the last two chords for a different common-tone situation. Their upper G4 is unchanged, while the lower fingers form a different shape beneath it. A player can know where the top note is without immobilizing the whole hand around that key. Read the finger beside each lower note before you move. The nearby route uses finger 2 for D4 in the G-major voicing and finger 3 for E4 in the final C-major voicing. Treating all three shapes as identical spacings would obscure that change, even though the upper finger remains 5.
Try a silent preparation experiment with the first two nearby chords. Find C4, E4, G4, then release and place the next shape over C4, F4, A4 without sounding it. Check each destination against the score. Next reverse the change. Observe whether your uncertainty concerns the shared C or the two moving notes. If C is secure but the top finger lands on G again, practice locating A before restoring timed chord attacks. This diagnoses a destination error rather than labeling the whole progression as difficult.
Now compare the second and third nearby chords without a clock. This change has no common pitch, so trying to keep one finger attached to an old key is unhelpful. Release, move, and locate B3, D4, G4 as a new group. Then add a four-beat count, allowing preparation during the preceding bar. If the transition needs an audible separation, accept that while learning the destination. Do not force a seamless connection by maintaining an uncomfortable reach. The visual comparison teaches reduced travel, not a requirement that all chord changes stay physically connected.
Use the nearby progression player first as a readable score, with sound left off. Reset selects the opening chord, and Next note selects the following attack. Each selection represents a four-beat chord, so manual stepping does not supply the four beats of elapsed time. Count those beats yourself when practicing. If you request sound, the four-beat count-in establishes the pulse before the progression begins. The selected-note text lists the pitches together, but the staff remains the source for their register, arrangement, and fingering.
On a pitch-checking pass, stop after each chord and compare the three keys you played with its noteheads. On a timing pass, keep four equal beats per bar and listen for one coordinated start rather than three separate starts. These passes answer different questions. Correct pitch names with the wrong octave fail the first check. The right three keys struck successively fail the second. A chord that begins correctly but releases after beat 2 has a duration problem. Name that problem before choosing what to repeat.
For a useful comparison at the keyboard, play the root-position route from its static score and the nearby route at the same unhurried pulse. Notice where your hand must relocate, especially the final return in each route. Do not conclude that a smaller route must sound better. The root-position route places a higher note at the top of the F and G chords. That changes the audible upper line as well as the hand movement. In other music, a desired melody or bass line may justify a larger change.
Finally, hide the optional note names in the nearby player while keeping the finger numbers. Identify each bottom note from the staff and each chord from all three letters. These are separate readings. If you can name the inversion but cannot locate its keys, return to the staff landmarks. If you can play the shape but call every chord by its bottom note, return to its root-position spelling. The aim is to connect the notation, the chord's identity, and a practical fingering without using any one of them as a substitute for the others.
Is E–G–C an E-minor chord? Name it and its inversion.
Rearrange the three letters into the familiar root-position chord.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
E–G–C is C major in first inversion. E is the lowest note, not the root. Reordering the notes gives C–E–G. E minor would need E–G–B instead; the C is not interchangeable with B.
Which chord is C–F–A in the nearby route, and which inversion is it?
F–A–C is F major in root position.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
C–F–A is F major in second inversion because its fifth, C, is lowest. Its notes are the same as F–A–C, rearranged. In this voicing use right-hand 1 on C, 3 on F, and 5 on A.
How do B–D–G and C–E–G differ at the end of the nearby progression?
Compare corresponding low, middle, and high voices.
Right hand · treble clef. Finger numbers: 1 thumb, 2 index, 3 middle, 4 ring, 5 little.
B rises to C by a semitone, D rises to E by a whole tone, and G stays G. The fingering changes from 1–2–5 to 1–3–5. The unchanged top pitch is a common tone; it need not mean the other fingers can remain fixed.
MusicTheory.net lessons provide further explanations of notation, rhythm, and chords. Open Music Theory is a longer reference. The keyboard diagrams, exercises, and rock-style study here were made for these lessons. The Beethoven example uses a public-domain melody, transposed to C, not a modern published arrangement.
Robert Hutchinson's Music Theory for the 21st-Century Classroom provides optional explanations of staff notation. Its sections on meter, major-scale construction, inversions, and chord symbols support the corresponding theory explanations. These references do not assess physical technique or certify a playing level.
Casio CT-S300 product information is the reference for the likely instrument. The lessons do not depend on a particular button sequence, USB connection, or automatic accompaniment.