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The B-flat minor arpeggio is built from the notes B-flat, D-flat, and F, with F the only white key. Let’s look at it in root position and both inversions, and then extend it over more octaves.
The B-flat minor arpeggio is easier to organize as a chord than as a run of separate notes. Each hand has one shape that it learns once and then carries up or down the keyboard, octave after octave.
We call that shape the core position: the group of notes that repeats exactly as the arpeggio travels. Once the core position is clear, most of what is left is moving it from one octave to the next.
In root position, the arpeggio starts and ends on B-flat. The core position in the right hand is F-B-flat-D-flat with fingers 1-2-3 (red on the chart below), and in the left hand it is B-flat-D-flat-F with fingers 3-2-1 (blue on the chart). The left hand needs no extra note: it starts directly in its core position, with the 3rd finger on B-flat. The right hand begins with a lead-in (green): B-flat and D-flat on fingers 2-3, the same fingers those notes have inside the core position. At the top, the right hand turns around on the 2nd finger rather than the 5th.
In first inversion, the arpeggio starts and ends on D-flat, the third of the chord. The core position in the right hand is F-B-flat-D-flat with fingers 1-2-3 (red), and in the left hand it is B-flat-D-flat-F with fingers 3-2-1 (blue). Neither hand starts in its core position. The left hand begins with D-flat and F on fingers 2-1, and the right hand with D-flat on finger 3 (green on the chart): lead-in notes, played with the same fingers they have inside the core position. After them, both hands stay in their core positions. At the top, the right hand turns around on the 3rd finger rather than the 5th.
In second inversion, the arpeggio starts and ends on F, the fifth of the chord. The core position in the right hand is F-B-flat-D-flat with fingers 1-2-3 (red), and in the left hand it is B-flat-D-flat-F with fingers 3-2-1 (blue). Once again, the 5th fingers stay outside the core positions as bookends (green).
To practice the core positions, it helps to break the arpeggio into three steps:
Extending the B-flat minor arpeggio to four octaves doesn’t change any of the fingering. We start one octave lower, finish one octave higher, and the core positions simply repeat in between. If two octaves already feel reliable, the longer version is mostly a matter of keeping the arm moving with the hand. The green notes appear only at the very beginning and the very end; everything in between is the core position. On the four-octave staff, the fingering is written only where the hand moves to a new position.
A few mistakes and challenges belong especially to the B-flat minor arpeggio:
Other techniques related to B-flat minor piano arpeggios:
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