Tip #142 – Mindfulness of Harmonic Intervals in Two-Part Density

Two-Part Density, as we have talked about before, is two different melodic lines (either in counterpoint or in compliment to each other) played together at the same time.

For those that are nitpicky about everything that they write, here is a way to look at your two-part density in mindful reflection of what note to choose.

First, are the two notes chord-tones to the harmony (either the root, third, fifth, or seventh) or tension tones? Mixture of both?

Second, do the harmonic intervals between the two melodic lines give the desired effect?:

  • Unions – overlapping consonant blend
  • Seconds – dissonant
  • Thirds – consonant, especially if it is a chord-tone
  • Perfect Fourth – hollow, and slightly dissonant
  • Perfect Fifth – hollow, consonant
  • Tritone – very dissonant
  • Sixths – consonant, especially if it is a chord-tone
  • Sevenths – dissonant, but can work well if it is a chord tone

Being conscious of these two ideas of chord-tones and interval effect can help strengthen your two-part density writing.

Thank you so much for taking the time to read! Feel free to comment, share, and subscribe for more daily tips below! Till next time.

Author: Bryan M. Waring

Bryan Waring is a graduate of USM's School of Music with a B.M. in Performance – Composition and is now attending Belmont University for a M.M. in Commercial Media – Composition & Arranging. During his time at USM, he studied violin with Dino Liva and composition with Dr. Daniel Sonenberg, as well as has premiered several pieces during the semiannual Composer's Ensemble concert series. In 2017, Bryan was a writer for the original musical theater work of "Molded By The Flow," directed by Paul Dresher and Rinde Eckert. Outside of school, Bryan has been involved with writing music for videogame developers at Portland's CI2 Lab, collaborating with the King Tide Party, and studying with Larry Groupé (Straw Dogs) in San Diego. Now living in Nashville. Along with composing, Bryan teaches music to children, receiving the Master Teacher Award for his work at ESF Camps; and does audio engineering for live ensembles. Besides talents in music, Bryan is a team-player in any competitive work environment; equipped with skills in leadership, organization, mathematics, creativity, communication, and managing. On the side, Bryan has worked as a model for several skilled artists in the New England area. Among his other accomplishments include obtaining the rank of Eagle Scout in April 2013 with a project of building a side parking area with guide rails for Webb Mountain Park in Monroe, CT.

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