Your first chords
Four shapes in the left hand, and the keyboard stops being an exercise and starts being music.
Your right hand can play a melody. Your left hand is sitting there doing nothing. This is the step that fixes that, and it is the point where a keyboard starts sounding like a piece of music rather than an exercise.
This is step five of the piano path. If you want to know why chords are built the way they are, that is chords in the theory path. This page is about getting them under your hand.
Four chords, one key
C, F, G and A minor. All four belong to the key of C, which means they use only white keys and they sound good in any order.
Left hand, little finger on the bottom note. Numbers on the diagrams are fingers: 5 is the little finger, 3 the middle, 1 the thumb.
Click any key to hear just that note
The shape never changes
Look at all four diagrams again. The gaps between your fingers are the same every time.
That is the useful thing about the piano and it is why theory is usually taught at a keyboard. A chord is a hand shape you move around, and the shape for a basic chord is always: finger, skip, finger, skip, finger.
A minor uses the same shape as the others. It sounds darker because of where it sits, not because your hand does anything different. On guitar the equivalent shapes look nothing like each other — here they are identical.
Putting hands together, gently
Play a C chord in the left hand and hold it. With the right hand, play C, D, E, F, G one note at a time above it.
That is two hands doing different things, which is the skill the whole instrument is built on, at the lowest possible difficulty — the left hand is holding still.
Then change the left-hand chord every four counts while the right hand keeps wandering. C, then F, then G, then C. Use the metronome at sixty if the timing drifts.
When your hand has to jump
Play C then G in root position and your left hand leaps most of an octave. It is clumsy, it sounds lumpy, and it is unnecessary.
You do not have to put the root note at the bottom. C-E-G, E-G-C and G-C-E are all C major — the same three notes stacked in a different order. These are called inversions.
Practically, this means you choose whichever version is nearest your hand. Chord changes become small adjustments instead of jumps, and the music stops sounding like it is hopping about.
Do not chase this on day one. Learn the four root-position shapes first, then come back when the jumping starts to annoy you — which it will, quite quickly.
The mistake almost everyone makes
Pressing all three notes at slightly different times.
A chord should sound as one event. If the bottom note arrives first and the top note trails behind, the chord sounds broken rather than solid, and you usually cannot hear it yourself at first.
Test it: play the chord and listen for whether it lands as a single sound. If it does not, you are almost certainly pressing with your fingers independently rather than dropping the whole hand at once. Let the arm do it, with the fingers already in position.
Ten minutes
Hold each of the four chords for four counts, slowly, with no melody on top. Listen to each one land cleanly. Three minutes.
Then the sequence C, F, G, C, four counts each — the same three chords under Twinkle Twinkle — the same one you can hear looping in the chord progression tool. Do not rush the changes — slow enough that you are never scrambling. Four minutes.
Then add the right hand, playing any white notes you like over the top. It will sound surprisingly reasonable, because every white note belongs to the key of C.
Once these four are comfortable, hands together is the next step. That last part matters more than it sounds. The reason it works is the thing the theory path explains, and once you have heard it work you will want to know why.