Ay mi!

Ay mi! (Machaut in the Machine Age IV) is one of a number of pieces I’ve been making since the 1980s responding to the delightful secular music of the 14th century French composer Guillaume de Machaut.

This one was made for a 1960s era Magnus electric chord organ given to me by the composer Art Jarvinen. The instrument is about the size of a toy piano and has a two octave range. I made a piece for twisted tutu, my duo at the time with Kathleen Supové, where she played the chord organ’s keyboard while I played the percussion part on the plastic case of the organ. We attached contact mics to the instrument and doubled the pitch down a fifth, as well as applying a delay at the beginning and the end of the piece.


If you have access to a chord organ, that’s the ideal instrument for performing the piece. But of course, you can play the chord organ part on a synthesizer, which you should set up with an organ patch and a pitch shifter that gives you both the notated pitch and the fifth below (i.e. transpose by -7 semitones).

In addition, you want to set up a delay that captures both the percussion and the keyboard. Set the delay to repeat at the interval of one bar of 6/8 in whatever tempo you’re playing the piece. It will be 2000 ms if you’re playing the piece at the tempo I’ve specified. The feedback/regen should give you between seven and eight reps before it fades to zero. The score indicates where to turn on and off the delay; you’ll want to put it on a switch you can activate or bypass easily.

If you don’t have a chord organ, but you happen to have a harmonium, an accordion or another suitable instrument available, please feel free to perform it on your instrument, I’d love that!

And of course the percussion part can be done by clapping or patting your own body if tapping the keyboard player’s instrument isn’t the right thing. And if you have other ideas for the percussion part, I’m very flexible about it!

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Ay mi! (Machaut in the Machine Age IV) is part of my ongoing project A Book of Days. You can hear my synth version by visiting 17 July.

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