Archive for the ‘improvisation’ Category

in subharmonic series (2018-01-08)

Friday, January 12th, 2018


A short improvisation using an Alesis Q88, Pianoteq 6 and Sonar captured as a animated score and piano roll and note selection. Best viewed full HD 1920 x 1080 as captured.
in subharmonic series audio only

Fantasia at the 23rd Limit

Tuesday, December 26th, 2017


Fantasia at the 23rd Limit is a Pianoteq 6 (standard) solo piano piece using the above tuning. (click to enlarge)

Taking a Closer Look

Monday, October 16th, 2017



Taking a Closer Look – A short and simple improvisation in Casey Hale’s tuning posted to Microtonal Music and Theory Oct 2017 (Facebook)
Photo by Chris Vaisvil

!12-note CS derived from the Viggo Brun algorithm.
!
(2/1, 7/4, 3/2), a-b. Designed by Casey Hale, October 2017.
12
!
54/49
8/7
7/6
9/7
4/3
72/49
3/2
81/49
12/7
7/4
27/14
2/1

Pianoteq 6 Horogram in Action

Friday, September 22nd, 2017

To see anything you need to run the video full screen, preferably 1920 x 1080 resolution (as recorded)

Blue JI in A Minor

Wednesday, September 20th, 2017



A meditation in A minor in Blue JI tuning (devised by John O’Sullivan) using Pianoteq 6.01 with a modified Steinway D Prelude patch

Geoshred iPad app suite in native Just Intonation

Tuesday, September 19th, 2017



music and video by Chris Vaisvil

audio only

Degenerate Matter

Monday, August 14th, 2017


Degenerate Matter is a short piece for Ultra Analog VA-2, CrX4, and Spectral in 17 note per octave tuning.

Not so Degenerate Matter is a half speed with layered arpeggiation version for my friend Bill Newbold – enjoy!

17 edo guitar in “a minor” with “C harmony”

Saturday, July 22nd, 2017


I improvised with my 17 edo guitar through a GT-10 using its C harmony patch – the resulting tuning is above. I think it sounds interesting at times.
Here is the adjusted (nomalized to 0 cent tonic) probabilistic applied tuning.

A Beating of the Woo (JI piano solo)

Thursday, July 13th, 2017



A Beating of the Woo is an extended performance using Gene Ward Smith’s tuning listed below.

!
Six 7-limit tetrads marvel woo scale with 51 11-limit dyads
! 7-limit transversal [15/14, 7/6, 6/5, 5/4, 9/7, 7/5, 3/2, 8/5, 12/7, 7/4, 15/8, 2]
12
!
15/14
7/6
6/5
5/4
9/7
7/5
3/2
8/5
12/7
7/4
15/8
2/1

Two Meditations on the Undertone Series

Sunday, July 2nd, 2017

Meditation 2

Meditation 1

Tuning Used by Jacques Dudon. Live performances – no editing. Photo from Vaisvil family album

! dudon_chromatic_subh.scl
!
Chromatic subharmonic scale using smallest possible numbers
12
!
16/15
17/15
6/5
19/15
4/3
43/30
3/2
8/5
17/10
9/5
19/10
2/1
! Dudon 1984