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This exposition is associated with The paper with presentation: "Inventing a Versatile Platform for Instrument Augmenta- tion and Electroacoustic Composition" for International Computer Music Conference in Boston 2025.

A performance “Corpo Híbrido. Ato de vestir e despir o efémero” (2025), procura refletir sobre conexões simbioticas entre seres. Com o vestir-se de germinados, veste-se o efémero, e o corpo funde-se com o elemento vegetal, uma transformação num ser híbrido, habitante da fronteira entre dois mundos. O corpo transforma-se em paisagem, enquanto a paisagem o acolhe.

One of the aspects Jimmie Blanton (1918–42), best known as Duke Ellington’s bassist between 1939 and 1941, has been most praised for is his tone, particularly its loudness, which has been characterised as “outsized,” “resonant,” “roaring,” and “huge.” While Brian Priestley (2009, 85) observed that tone is often “thought of as god-given,” I wanted to understand why and how Blanton’s tone was (perceived as being) different from that of his peers. I examined several possible impact factors, such as his performance technique and instrument, but found none differed significantly from those of his fellow bassists. Eventually, I (partially) found the answer by recreating Blanton’s music. In this exposition, I examine an experimental recording session by the Brussels Jazz Orchestra and myself on bass in which we recreated the circumstances of a 1930s–1940s Ellington performance, both live and in the studio, in a historically informed way, for example, by using historically appropriate instrumentation, repertoire, location, recording set-up, and performance practice. The outcome revealed that specific changes in the orchestra’s seating plan were key to Blanton’s perceived superior tone. Using media samples, I review the preparation, recording process, and results, drawing on a combination of visual analysis of historical photographs, complete participant observation, comparative auditory analysis, and formal and informal (semi-structured) interviews with participants.

With this exposition, we share the creative process that led to the composition and performance of Stretch, a piece by a jazz quartet led by pianist Piergiorgio Pirro. We will show that introducing theoretical models and paradigms from spectralism as a “foreign body” into the workings of a small jazz band illuminates a complex network of factors at play in the band’s music making, leading to a thorough reconfiguration in which new instruments get built and played, old habits need to be unlearnt, uncommon interactions emerge and theoretical frameworks clash in practice.

This chapter will detail the evolution of a set of improvised performances that explored Empathic Speculation in both live and studio settings. As a means to elevate musical attunement in live performance based on an atmosphere of musical trust that ‘allows for creative risk-taking, which can result in the production of spontaneous musical utterances’ (Seddon, 2005: 58), Empathic Speculation (Bain, 2021) describes a further level of interaction that attempts to encourage another member of the ensemble beyond their perceived musical boundaries; or ‘comfort zones’.