The Squid's Ear Magazine

Rodrigues, Ernesto / Yu Lin Humm / Philippe Trovao / Pedro Frazao / Andre Hencleeday / Ryoko Imai : (Creative Sources)

Subtle acoustic improvisation from a global set of improvisors--Yu Lin Humm on cello, Pedro Frazao on euphonium, Ryoko Imai on marimba, percussion, Andre Hencleeday on piano, Philippe Trovao on tenor saxophone, and Ernesto Rodrigues on viola--in an attentive and tension-filled single movement, each player adding and reacting as ideas percolate and subsume.

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product information:

UPC: 5609063406160

Label: Creative Sources
Catalog ID: cs616
Squidco Product Code: 28201

Format: CD
Condition: New
Released: 2019
Country: Portugal
Packaging: Cardboard Gatefold
Recorded live at O'Culto da Ajuda, in Lisbon, Portugal, on December 15th, 2018, by Miguel Azguime.


Yu Lin Humm-cello

Pedro Frazao-euphonium

Ryoko Imai-marimba, percussion

Andre Hencleeday-piano

Philippe Trovao-tenor saxophone

Ernesto Rodrigues-viola

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Sample The Album:

Descriptions, Reviews, &c.

"[...] Percolation by a new mixed sextet of Ernesto Rodrigues (viola), Yu Lin Humm (cello), Philippe Trovão (tenor saxophone), Pedro Frazão (euphonium), Andre Hencleeday (piano) & Ryoko Imai (bass marimba, percussion): The sort of quietly layered articulation of the single movement recalls Stratus in some ways, but also involves new participation & a generally acoustic setting. (I say "generally," because I do believe that some lowercase mic'ing is at work.) Also, as with e.g. Suspensão, there's a focus on dynamic balance, here with various reduced forces active much of the time on until a full on bore ending that seems almost out of place.

Among the other musicians, Hencleeday is the only one I've mentioned here, and he's appeared in several contexts with Rodrigues, but Humm & Imai have also appeared in some larger ensembles (& have fine moments here, e.g. the marimba producing a hum that sounds almost electronic). Of the previously unknown performers, Trovão mostly plays a textural role on tenor, but apropos the previous paragraph, Frazão is quite prominent at times on euphonium: After some initially quiet scuffling & tinkling, he calls out strikingly against the texture, seeming to set the mood.... The ensemble tends to be careful & precise in its interactions in general, injecting a renewed tautness into the style, but I'm also not sure about the balance of the overall sextet, e.g. pairing piano with marimba.... Still, Percolation seems to point to some new ensemble ideas & articulations. Todd McComb (Medieval .org)

Get additional information at Todd McComb's Jazz Thoughts

Artist Biographies

Cellist Yu Lin Humm is a member of String Theory and Suspensão. She studied music at the Accademia Internazionale della Musica in the field of study of classical music.

-Squidco 5/31/2023

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Pedro Frazao is a Portuguese euphonium player, a member of ikb, and Isotope Ensemble.

-Squidco 5/31/2023

Have a better biography or biography source? Please Contact Us so that we can update this biography.

Ryoko Imai (1983) is a unique Japanese percussionist living in Amsterdam, Netherlands.

She is musically intelligent and sensitive ably supported by strong techniques. Audience is always attracted and excited by her quirky, rhythmical, feminine, powerful and danceable performances.

Nowadays she is working globally as known as a multi-percussionist beyond the border of different genres of music fields.

Her musical education was started on playing the piano at age 3. She has changed to play the percussion and she has advanced to specialize on the way at age 16. She has done her bachelor and master degrees in Tokyo College of Music. In 2008, she has moved to study in Conservatorium van Amsterdam, has completed her bachelor 'cum laude', also master degree of classical percussion.

In 2009, she won second prize (highest position) at solo VI group in the Pendim International Percussion Competition in Plovdiv, Bulgaria, where she also received two special prizes for 'the brightest stage presence' and 'the best membrane instruments performance'.

-Ryoko Imai Website (

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"Andre Hencleeday is interested in detail and simplicity using improvisation, field recording, acousmatic and intuitive composition as main sonic languages. He is a member of Variable Geometry Orchestra, OWWK, &c."

- (Soundcloud)

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"He has been playing the violin for 30 years and in that time has played all genres of music ranging from contemporary music to free jazz and improvised music, live and in the studio.

His main interest shifted towards contemporary improvised and composed music.

The relationship with his instruments is focused in sonic and textural elements.

Electronic music was an early influence on his approach to violin playing, which challenges traditional romantic concepts of the violin/viola through use of preparations and micro tuning.

Active in different settings on the Portuguese scene for free improvised music, both as a collaborator and in leading his own groups.

Music for Dance, Cinema, Video and Performance.

Has created the record label Creative Sources Recordings in 1999, which mainly concentrates on releasing experimental and electro-acoustic music."

-Creative Sources (

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Track Listing:

1. Percolation 38:35

Related Categories of Interest:

Improvised Music
Free Improvisation
European Improvisation, Composition and Experimental Forms
Sextet Recordings
lowercase, reductionist, micro-improv, sound improv, onkyo sound

Search for other titles on the label:
Creative Sources.

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