Archive for the ‘improvisation’ Category

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

The Abyssal Plains

Sunday, June 25th, 2017

The Abyssal Plains is a piece performed on an Alesis Q88 using Scala to on-the-fly retune a Parva 8 voice synthesizer with added Native Instruments Guitar Rig 5 effects recorded and mastered in Sonar Platinum. The tuning has a degree of uncertainty due to pitch bend shifts around a target of 16 edo.

Solo 8 string guitar just intonation in 12 equal steps

Friday, June 23rd, 2017

I found an 8 string Dean RC8x guitar for about $200 at the salvation army. In this example I tuned the open strings to a just chord and improvised. Click on the picture above to enlarge.
download audio

Broken Directions

Wednesday, June 7th, 2017



Broken Directions – ambient 17 edo guitar

Photo by Chris Vaisvil