Upcoming Concert at ISSTA September 8, 2017

I’m pleased to announce that I will be performing a version of my piece Vocalise Sintetica at the ISSTA Festival and Conference on Sound. The conference will be held on September 7th and 8th, 2017 at the Dundalk Institute of Technology in Dundalk, Ireland. Please check the website for details.

I have developed new content and features for the AVGM (Audiovisual Grain Machine) which I’ll be using during the performance. I also be triggering samples and playing patches with a hardware synthesizer to accompany the audiovisual content. Here’s a video that demonstrates some of the new media:

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45 Delusions with the Merce Cunningham Dance Company

45 Delusions was commissioned by the Walker Art Center for an event with the Merce Cunningham Dance Company (MCDC) as part of the Common Time exhibit and performance series. The piece was performed and recorded with the dancers on March 30, 2017 in the Perlman Gallery at the Walker Art Center, Minneapolis. My setup included Rhodes, Moog Sub 37, PreenFM2, Korg KP3+, and a Moog Minifooger Delay. Graham O’Brien performed on percussion and electronics triggered from his drums.

John Keston's Setup for the Common Time Event

My Setup for the Common Time Event

The score is two pages. The first page (pictured at top) is the timeline for both performers. The timeline is vertical and made up of cells that last between one and five minutes each. Frequently the cells correspond with each player, but they are arranged so that at times they overflow. Rests are also included as cells. Each cell includes brief instructions and/or graphics that give suggestions to the musicians. Some of the instructions are expanded on the second page of the score.

Graham O'Brien's Setup for Common Time

Graham O’Brien’s Setup for Common Time

The second page also includes a list of forty five delusions. These include terms such as alternative facts, capitalism, corporate culture, equality, freedom, fossil fuels, greed, justice, and so on. There are also a few technical delusions such as erotomania (belief that a celebrity is in love with you) and lycanthropy (belief that one can turn into an animal). The second page explains the delusions and what to do with them:

Anything that might be considered or is delusional. These are not necessarily medical or technical examples of delusions and may involve individuals, societies, or organizations. Prior to performing the piece, each musician chooses one “delusion” applied to each cell within the score.

Take a look at the PDF at the end of this article to see the complete list of delusions as well as expanded instructions for some of the cells. Obviously this is an improvised piece of music, but this approach steers the improvisation in directions that would be unlikely to occur freely. Particularly the timing. As one performs or listens to the piece it is possible to discern distinct variations as the musicians transition from one cell to the next. If you are inclined to listen to the piece in full, try following along with the score and placing a SoundCloud comment where you hear the cells change. The timing on the recording doesn’t exactly match the score, but it’s pretty close.

The reasons I took this approach are multi-faceted: (1) It keeps the piece moving. Often free improv tends to stagnate as ideas are repeated and refined. With this approach the challenge is to express ideas with concision and then move on to the next (this is possible, albeit rare, in free improv – we call it channel surfing). (2) It is possible to strictly define the length. We used a timer that counted up to 30 minutes. One quick glance at the timer illustrates the need to move on to “High Speed Arps” for example. (3) Mood, dynamics, and theatrics can be injected to create a narrative with scope and meaning. It is a way to ask questions, discover sounds, explore, and experiment. (4) It enhances my musical engagement. I am influenced by my collaborators and surroundings, but I’m also interpreting the language of the score, and hopefully to the benefit of the musical output.

45 Delusions by John C.S. Keston (148K PDF)

Programmable MIDI Foot Controller for the Korg KP3+

MIDI Foot Controller

The Korg KAOSS PAD KP3+ is a powerful beast. It’s great for realtime processing and sampling, but it’s not the best choice as a loop pedal. For one, the loop record length choices only include 1, 2, 4, 8, and 16 beats. You can adjust that after recording, but not on the way in. One shot samples can be any length, but they need to be triggered manually or via a sequencer. Furthermore, it’s not a pedal. If you want to trigger or record samples with your feet you’ll need a MIDI foot controller to do that. And not just any controller. It will need to be programmable so that you can send specific note values to the KP3+ that trigger each of the sample buttons.

This is the issue I decided to resolve for my continuously evolving live setup. More often than not I use a Rhodes electric piano with the KP3+ alongside a modest family of other gear. Playing two-handed while capturing Rhodes loops without audible gaps is impossible if you have to use a “spare” hand to do it. There are a number of programmable MIDI foot controllers on the market. Unfortunately, most of them are not fully programmable and are designed for changing patches versus triggering MIDI notes. An exception to this is the Behringer FCB1010, however, it’s quite large with twelve switches and two expression pedals. I only need four switches and can’t afford the space the FCB1010 would take up.

Highly Liquid MIDI CPU

People are making all sorts of custom MIDI controllers and there’s tons of microcontrollers that can be used for this purpose. I won’t get into all the options, but a few examples include Arduino (perhaps with a SparkFun MIDI shield), Teensy, Livid Brain V2 or Brain Jr, and Highly Liquid’s MIDI CPU. It just so happened that I had a Highly Liquid MIDI CPU on hand that I was sent to me as a sample years ago. I had used it for a few experiments, but nothing on a permanent scale.

Following instructions on the Highly Liquid website I was easily able to reprogram the MIDI CPU via sysex and start testing it with the KP3+. In minutes I had a prototype working that was triggering the sample buttons properly. With that piece confirmed I ordered four momentary foot switches and a sturdy aluminum enclosure. I measured and drilled all the holes for the four switches, DC power, MIDI in, and MIDI out. I soldered it all together and started using it immediately. I’m very pleased with the results and hope to use the foot switch for years to come. To an extent it is future proof because at anytime I can reprogram it via sysex through the MIDI input. A second reason the MIDI in is useful is because I can still send the connect device MIDI from another source (MIDI clock for example). This works because the MIDI CPU can be configured to mirror the MIDI in to the MIDI out while merging messages that originate from the circuit board. Handy!

This was an inexpensive, easy, and elegant solution to a frustrating problem. Custom MIDI controllers are getting easier and cheaper to build all the time. I’d love to hear about your DIY MIDI controller projects in the comments below. Thanks for reading!

Merce Cunningham: Common Time with John Keston and Graham O’Brien

Suite for Five


This Thursday, March 30, 2017 I will be performing two 30 minute sets of music with Graham O’Brien at the Walker Art Center as part of the Merce Cunningham: Common Time series of events and exhibitions. Our performances start at 5:30pm and 8:00pm in the Perlman Gallery and feature former Merce Cunningham dancers. Here’s a one minute teaser recorded during a recent rehearsal. The concert is free and open to the public. Visit the Walker Art Center for more details.

Sound / Simulacra: Cody McKinney & Jeremy Yylvisaker

The Sound / Simulacra series is hosted by myself and Cody McKinney at Jazz Central Studios in Northeast Minneapolis on the fourth Wednesday of every month. If you haven’t made it any of these shows you’re not entirely out of luck. They are all being recorded and I’ll be sharing excerpts here on AudioCookbook. The first event in the series was a duet with Cody McKinney and Jeremy Ylvisaker on January 25, 2017. Their gorgeous improvisations were faithfully captured by sound recordist, Dave Kunath. Enjoy!

Jeremy Ylvisaker is a multi-instrumentalist from Minneapolis, Minnesota. He is a member of the indie rock bands Alpha Consumer (with Michael Lewis and JT Bates) and The Cloak Ox along with Andrew Broder of Fog, Mark Erickson and Dosh. He plays guitar in Andrew Bird’s touring band alongside Martin Dosh on drums and Michael Lewis on bass.

Cody McKinney works with sound by actively theorizing, organizing, practicing and challenging its properties. He studied bass and improvisation under many luminaries including: Johannes Weidenmueller, Bruce Gertz, Jim Black as well as composition under Kirk Nurock, Rory Stewart, Steve Lehman and Diane Moser. Cody’s group, Bloodline, along with John Keston and Pete Hennig, have recently recorded an album due out mid 2017.