Structure and musical texture

From the texture of arpeggios in triplets, a melodic line with a harmonic accompaniment in two voices emerges. The three voices form an interesting rhythmic counterpoint. The following image shows these aspects in the first measure. We transcribe the upper voice on the first staff and the bass and the internal voice on the lower staff:

This image shows the rhythmic counterpoint that occurs as a result of arpeggios:

The prelude is made up of three phrases. The following table details its structure:

Phrase	Measures		Key
1	Measures 1 to 4	4 measures	Starts in Eb minor and ends in Bb minor
2	Measures 5 to 10	6 measures	Starts in Bb minor and returns to Eb minor
3	Measures 11 to 19	9 measures	Eb minor

© 2019 José Rodríguez Alvira. Published by teoria.com