Strata Harmony with Polychords in Seconds: Combining Persichetti and Schillinger Part 1

This is Part 1 in a two-part series on writing music with polychords, that is, stacked three-note chords in seconds as presented in the Vincent Persichetti book, and setting multi-layer chord continuities with a Schillinger System Strata Harmony approach. Use four trichord structures built from major and minor seconds, then stack these in two layers. Interpret polychord characteristics and properties in terms of the equivalent 3- to 6-element Pitch-Class Sets. Consider hexachord voicing and note doubling. Create chord continuities with polychords in seconds and apply strata harmony voice leading. The sketching process is demonstrated with five examples in different musical styles: woodwind trio chamber music, sectional harmony for saxophones or brass, string section background, and synthesizer texture.

Companion document (text, diagrams and score fragments, PDF, 37 pp., A4) is available on Patreon.

Contents:
00:00 Opening titles
00:31 Section 1 Introduction: what this video is about
01:31 Section 2 Chord structures in seconds, Persichetti book, Schillinger System
02:19 Section 2.1 Trichord in 2nds, four structure types (major,minor,Phrygian,chromatic)
03:33 Section 2.2 Polychords with two stacked trichords in seconds, Pitch-Class Sets
09:56 Section 2.3 Voicings and Doubling, inversion, closed vs. open
13:21 Example 1 Phrase for woodwind trio, single trichord progression, create parts
15:33 Section 3 Composing with polychords in seconds, tension level control, voicing
15:48 Example 2 Five-part sectional harmony for saxophone section
19:51 Section 3.1 Strata harmony, layers with multiple parts, voice leading
20:19 Example 3 Six-part sectional harmony for brass section, two layers with trichords

#SchillingerSystem #Polychords #StrataHarmony

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