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Mastering Arpeggios: Fluidity and the Thumb-Under Technique
How to glide across octaves without tension using smooth wrist rotation.
3 min read
An arpeggio (broken chord) is simply the notes of a chord played one after another instead of all at once. Arpeggios turn static harmony into flowing, harp-like waterfalls of sound.
The Secret: Thumb-Under Movement
When moving up an arpeggio (e.g. C-E-G-C with fingers 1-2-3-1), do not twist your wrist awkwardly. Instead, keep your hand aligned and tuck your thumb smoothly under your palm right as finger 3 strikes its note.
Play C major arpeggio
Loading piano sounds…
ZC3
XD3
CE3
VF3
BG3
NA3
MB3
AC4
SD4
DE4
FF4
GG4
HA4
JB4
KC5
LD5
;E5
'F5
]G5
A5
B5
C6
Q
2
4
5
6
W
E
T
Y
U
O
P
C Major Arpeggio: C4 (1), E4 (2), G4 (3), C5 (1)
3 Steps to Fluid Arpeggios
- Play slowly: Let your wrist breathe and stay buoyant.
- Prepare the thumb early: As soon as your thumb plays C, start moving it toward the next octave.
- Use gentle arm weight rather than finger poking.
Tip: Think of your hand as a paintbrush flowing horizontally across the keyboard, rather than individual hammers hitting keys.
Play the arpeggio lesson →