Note: This is the first in a series of practical posts for student pianists and piano teachers. I hope you'll find it interesting as a general music aficionado, but unlike most posts on this page it's not geared toward the listener, and you might therefore find it a bit dry unless you play the piano!
One of the principal tasks of the pianist is to clearly show and make as clear as possible the different layers in a piece of music. Here is a basic example from Chopin's Nocturne, op. 9/2
In this case it's important to clearly show the bass line separately from the chords played in the left hand, and the melody separately as well from the two left hand parts, like this:
The Music Post
The Music Post is a blog / podcast for reflecting on all things musical, informed by years of writing, playing, and teaching music.