In my recent article Why Bother with Scales? I considered the many benefits that arise from regularly playing and teaching scales and arpeggios.
In this shorter post I’m going to hone in on one especially important advantage which is sometimes overlooked entirely:
Regular scale and arpeggio practice trains the brain and the fingers to develop precision in judging and playing all intervals up to a fourth, using any standard combination of shapes and fingerings, and in all the standard keys.
This significant benefit is certainly not to be sniffed at, and fosters a technical ability that is otherwise unlikely to develop during the formative stages of learning the piano.
Let’s consider how this works…