Named in tribute to Fluxus-founder George Maciunas, the Maciunas Ensemble's Number Made Audible stands as one of the most radical documents of sound art to emerge from the Netherlands in the 1990s. Originally released by Het Apollohuis in 1993, this CD captures eleven pieces that transform numerical relationships into living sound through invented instruments: Duochords, Spring Strings, Musical Bows, Guitars with Tails, Tubular Aluminum Monochords.

Founded in 1968 by Paul Panhuysen, Remko Scha and Jan van Riet, the Maciunas Ensemble embodied George Maciunas's vision that music should make the generation of sound itself audible. Working alongside Mario van Horrik, Horst Rickels, and Leon van Noorden, Panhuysen translates mathematical proportions into acoustic phenomena—string lengths become frequency ratios, harmonic series unfold as drone compositions, Pythagorean intervals manifest as physical architecture. Each piece follows strict numerical systems: predetermined tunings, calculated string divisions, algorithmic bow movements that generate complex overtone patterns from simple mathematical rules.

What strikes most forcefully is how these rigid structures produce such organic results. The ensemble's purpose-built instruments exploit the physics of resonance—aluminum tubes vibrating at precise frequencies, springs subdividing pitch according to tension ratios, bowed strings generating harmonic cascades that follow the mathematics of wave interference. This isn't abstract theory but embodied knowledge: you can hear the numbers singing through wood and metal, making Boethius's ancient principle of music as "number made audible" startlingly literal.

In our current moment of algorithmic composition, Number Made Audible feels prophetic. The Maciunas Ensemble reminds us that all sound is mathematics—frequency, amplitude, duration—transformed into sensory experience. Music that doesn't age because it speaks the universal language of proportion and resonance.