Left-Hand Accompaniment Patterns
The right hand gets the melody, but it's the left hand's pattern that decides whether a song feels grounded, flowing, or dancing.
Block chords
The simplest option: play all the left-hand chord notes together, on the beat. It's direct, solid, and easy to execute — a reliable default whenever you want the harmony to feel grounded rather than decorative.
Alberti bass (broken chords)
Named after 18th-century composer Domenico Alberti, this pattern breaks a chord into a repeating low-high-middle-high order — for a C major chord, that's C-G-E-G, over and over. It keeps the same harmony as a block chord but gives it a flowing, rippling motion instead of a static thud, and it's everywhere in Classical-era piano music.
Oom-pah
Oom-pah alternates a single low bass note ("oom") with the rest of the chord played above it ("pah") — bass, chord, bass, chord. It's the rhythmic backbone of waltzes, marches, polkas, and old-time piano styles, giving a clear, danceable pulse.
Common questions
What is a block chord accompaniment?
Playing all the left-hand chord notes together at once, usually on the beat — simple and direct.
What is Alberti bass?
A repeating low-high-middle-high broken-chord pattern (like C-G-E-G) giving a flowing, rippling accompaniment.
What is oom-pah accompaniment?
Alternating a low bass note with the rest of the chord above it — bass, chord, bass, chord — common in waltzes and marches.
How do I choose which left-hand pattern to use?
Block chords for grounded support, Alberti bass for flowing Classical textures, oom-pah for dance-like rhythm.
Practice every accompaniment pattern
Melody Monkey's piano lessons let you hear and play along with each left-hand pattern at your own tempo.
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