Tuesday, January 27, 2015

19. Dona Nobis Pacem

This is an interesting song because it is a round. It begins with just the right hand drumming out the melody and then adding a layer of harmony. Soon, the left hand comes in with another layer. So it works much as would any round being sung by a group: the harmonies come in one by one after one or more periods of the song's repetition. 


Technically, the song is not very complicated because it is mostly filled with chords, but the chords themselves are rather demanding. Many of them are an octave in width, and the reading gets a little daunting when the chords straddle octaves, as they do below. (Great preparation for Chopin's Prelude in C Minor coming up later.) So it requires big hands.

It also requires octave-length jumps. Notice that in the above passage the right hand pretty much zigzags through the measures, playing the same chords three times each, but an octave apart. It's great for sight-reading practice because it provides a study in intervals, especially octaves and sixths. (The dyads in the left hand are in sixths.) Great for working on those areas. I plan to read through it a few more times.

Alan Chan's rendition

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