The difference between guitar and keyboard chord charts
Chord charts are universal — chord names (G, Am, C7, Dm) work for any harmonic instrument. The difference lies in how each instrument plays those chords. On guitar, you press the strings in specific positions. On keyboard, you distribute the chord notes between both hands.
For guitarists moving to keyboard, or vice versa, the good news is that the theory is the same: G major = G, B, D on any instrument. Only the playing technique changes.
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How to read chord charts on keyboard
When you see a chord chart such as "G – Em – C – D," each letter indicates the chord that the right hand, or both hands, should play. On keyboard, the right hand plays the chord while the left hand can play the root note, or bass, or an accompaniment pattern.
The most common position for three-note chords, or triads, on keyboard is root position: for C major, play C–E–G with fingers 1, 3, and 5 of the right hand. For inversions, rearrange the notes: E–G–C, first inversion, or G–C–E, second inversion.
Inversions are very useful on keyboard for avoiding large leaps between consecutive chords. For example, when moving from C to G, use the 2nd inversion of G, G–B–D with D on the bottom, to keep your hands in the same area of the keyboard.
Common progressions
The most common progressions in Brazilian popular music work equally well on keyboard. The I–V–vi–IV progression in C major is C–G–Am–F: four chords that appear in dozens of songs across every genre.
Another widely used progression is I–IV–V–I, C–F–G–C in C major, the foundation of forró, sertanejo, and much of northeastern Brazilian music. Practice both progressions in at least three different keys to develop fluency.
Left-hand accompaniment
The left hand on keyboard functions as the bass and backbeat of the music. The simplest pattern is to play the chord's root in the left hand while the right hand plays the other chord tones. This already creates a functional accompaniment.
A more developed pattern is "bass-and-chord": the left hand plays the root on beats 1 and 3, and the chord tones, without the root, on beats 2 and 4. This "boom-chick" rhythm is the basis of accompaniment for bolero, ballads, and many worship songs.
For more energetic music, try a left-hand arpeggio: play the chord tones one at a time in ascending order, creating continuous motion beneath the right-hand melody.
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