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Diatonic Phrygian Tetrachord

 

 for Violin and Chamber Orchestra

July 20—August 6, orchestrated Oct. 2-10, 2014

Duration: about 7 minutes 50 seconds             Cover photo: Lon Chaney
for Jim Waddelow and the Meredith Sinfonietta

  Score, PDF (legal-size, landscape)   Cover   
 
Orchestral Parts (print one side only)      Solo Violin Part

Adagio andalusia     [7:50]

Premiere performance by Xi Yang, violin; Meredith Sinfonietta, conducted by Jim Waddelow, October 22, 2015
     YouTube video

    

          On July 6, 2014, WNYC broadcast “The World’s Most-Used Musical Sequence”, which was an hour-long compilation of musical excerpts demonstrating the use of the Diatonic Phrygian Tetrachord. NPR followed up with five minutes on Weekend Edition on July 20. Despite the forbidding academic name, this series of four notes, with many modifications, has been used for centuries by musicians all over the world.

          The basic sequence is four descending notes with the pattern whole step, whole step, half step. On a piano keyboard, one example  would be the four white notes going down starting from E. Retrograde, it would be B C D E; inverted it would be E F# G# A. Another type of modification is increasing the intervals, such as to major third, major third, minor third. When harmonized in the manner frequently found in flamenco music, it is known as the Andalusian Cadence. Other kind of modifications are altering the order (such as the opening notes of Beethoven’s Fifth), or interposing notes while the sequence remains relatively stressed.

          This composition uses the Diatonic Phrygian Tetrachord both unmodified and highly modified in pretty much every way I could think of, frequently with several modifications simultaneously, in a reasonably contemporary idiom. I will leave it to musicologists yet unborn to deal with the analytical details, as I have some pride in not having opened a music theory book since 1975, and I don’t want to have to look things up.

          The composition started as the middle movement of Three Pieces for Violin and Piano, written for Eric Pritchard. This orchestration for solo violin and chamber orchestra fits the instrumentation of the Meredith Sinfonietta, a student ensemble at Meredith College conducted by Jim Waddelow. They performed this piece on October 22, 2015, with the video link above. Eric and Greg McCallum performed the violin and piano edition at Duke in January 2015, and the recording and video are listed on the 3 Pieces for Violin and Piano web page listed on the Music  page under Music for Strings.

          Accidentals hold through the measure and not beyond, and do not refer to other octaves.