extrait d'un live au Café Pompier, cimer pour le rec !

au Café Pompier le 28 janvier 2023

Kanta eta letra guztiak: Nakar.
Jone Laspiur: Ahotsak
Xalba Ramirez: Produkzioa, samplerra, sinteak, ahotsak. (Gitarra 03an)
Jokin Azpiazu: Sinteak, samplerra
Andoni Olaetxea: Baxua eta gitarra

Lokalean grabatuta, 2023ko udan.
Ahotsak Lera estudioan grabatuta, Haritz Leterekin.
Nahasketak: Gakobeltz Hit Faktorian, Joseba Baleztena eta Miren Narbaizak.
Master: Oihan Lizaso.

Artea: Mikel Ruiz Pejenaute 'Kinakokoda'.

Label: Balio Dute - 014

Sunrising

Mariage de sons indisciplinés, charade d’objets sonores 

www.diaradio.live

La Messe est Dite #05 - Gaur (23.02.24)

"Lesson Number One" 1.0.wav

Gerezi gaua, lizar xuxurla · [Live at Re-Read Bookstore]
Garazi Navas : accordion · voice
Alberto Lizarralde : dsi evolver · soma enner · meng qi blipoo
Recorded live at the Re-Read Donostia bookstore on 17 July 2024 with a mobile phone. Edited with Ableton Live on 18 and 19 July 2024 at the Casa de los Pasajes - Pasai San Pedro - Euskal Herria.
Photo : Tina Lekuona

Gerezi gaua, lizar xuxurla · [Live at Re-Read]

Title:
Hats and Beards

Dates:
29-May-2025 (inception), 29-May-2025 (finalised), 31-May-2025 (released)

Artists:
Music composed, performed, produced by Norman Freund
Artwork by Norman Freund

BandCamp Purchase:
https://normanfreund.bandcamp.com/track/hats-and-beards

Description:
A quick off the spur improvisation using a sub-set of the Aliquot 24 scale as per Miko Sloper [1], performed on my custom digital synthesiser, the CrossFeedFM and on the hardware synthesiser Enner by Soma Laboratory.

The frequency ratios used for this piece are (dialled into the CrossFeedFM):
1/1 24/23 6/5/4/3 3/2 8/5 24/13 2/1

The title of the piece and the art work, "Hats and Beards" is in honour of the person that inspired me to write it, Miko Sloper.


A brief tour of derivation and origins of this tuning follows.

The Aliquot 24 here is simply the undertone harmonic series of the following frequency ratios (Just Intonation (JI)):
24/24 24/23 24/22 ... 24/12
here terminating at the octave (2/1) ratio.

Also note that for a string subjected to a uniform tension, it's fundamental frequency, f [Hz] is inversely proportional to it's length L [m]. (Ref. [2] equ. 9 Table 36 p. 716) and here is where the aliquot comes in, the string is subdivided evenly into 24 parts, aliquot meaning to divide into equal parts.

This is not to be confused with the aliquot sequence [4] derived from the iterated application of the aliquot sum [3]. I will leave deriving musical scales from aliquot sequences to another day.

So back to Miko Sloper's sub-set of the aliquot 24, the frequency ratios he found to be pleasing and when extended to include the root (1/1) and octave (2/1) were:

i,JI Equation, Cent
0, 24/24=1/1, 0c
1, 24/23=24/23, 74c
4, 24/20=6/5, 316c
6, 24/18=4/3, 498c
8, 24/16=3/2, 702c
9, 24/15=8/5, 814c
11, 24/13=24/13, 1061c
12, 24/12=2/1, 1200c

when mapped back to the nearest 12EDO notes gives the third mode of the major scale, the Phrygian scale.

So put another way, the aliquot 24 sub-set scale here is the JI equivalent of the Phrygian scale.

Another variant of the scale was proposed by Miko, replacing the 24/23 ratio with 12/11 ratio. I did try both and with all the synthesiser adjustments I made, I am not sure which one I settled with. Looking back at it, both sound nice and have their special charm. So, let's just leave it as an ambiguity. An ephemeral improvisation and I am OK with that.

The parts played on the Enner are not necessarily true to the above scale, but rather an improvised tuning, since the Enner is strictly tuned by ear and I typically do not use static tunings on this instrument, but rather vary it during the performance.

The performance was recorded DAWless on the CrossFeedFM eight track digital recorder.

References:
[1] 
https://www.facebook.com/share/v/1B9e5nSAS7/
FaceBook Group: Microtonal Music and Tuning Theory
29-May-2025
Miko Sloper

[2]
"Roark's Formulas for Stress & Strain", 6th Edition, Warren C Young, 1989

[3] "Aliquot sum", https://en.wikipedia.org/wiki/Aliquot_sum

[4] "Aliquot sequence", https://en.wikipedia.org/wiki/Aliquot_sequence

Hats and Beards

Interprété par l'ensemble Intercontemporain et élèves du CNSM le 30/01/2019

direction : Simon Proust

violon : Hae-Sun Kang
alto : Odile Auboin
violoncelle :Eric-Maria Couturier
Contrebasse : Nicolas Crosse
Accordéon : Ambre Vuillermoz
saxophone soprano : Rui Ozawa
clarinette : Martin Adamek
Trompette :Lucas Lipari-Mayer
Percussions : Samuel Favre

Hoquetus Mechanicus (2018-2019) pour ensemble de 9 musiciens et piano mécanique

From 'Songs from the Bardo', out 9/27/2019

https://folkways.si.edu/laurie-anderson/tenzin-choegyal/jesse-paris-smith/songs-from-the-bardo

Songs from the Bardo

Laurie Anderson, Tenzin Choegyal, Jesse Paris Smith - Lotus Born, No Need to Fear

Live jam dark minimal ambient session on evolver + guitar pedal.
☢ Warning: Because i was experimenting some parts of this jam may sound noisy or loud, and/or it may trigger emotional or physiological responses that some might perceive as irritating.

ALIENNA -  Evolver Minimal Ambient Drone 40 mins jam(live)

Es ahora... llueve... cantan... dialogan... escucho maravillado sus músicas... todo ello a escasos metros del centro de la ciudad... tan mágico... tan real... sonidos que desaparecerán
.....
It's now... it's raining... they sing... they dialogue... I listen in wonder to their music... all this just a few meters from the center of the city... so magical... so real... sounds that will disappear

Gerezi gaua, lizar xuxurla · [Live at Re-Read]

Alberto Lizarralde

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