Iso

EAI (Electroacoustic Improvisation) is a largely quiet, reductionist form of free improvisation in which musicians sculpt sound in real time using electronics, extended techniques, and the ambient characteristics of the room itself. Instead of melody, harmony, or steady pulse, the music focuses on texture, timbre, micro‑dynamics, and silence. Sine tones, feedback, contact microphones, tabletop guitars, and laptops often replace traditional instrumental roles. The result is an austere, highly attentive music that treats each sound—however small—as a structural event. EAI is frequently associated with the late‑1990s Tokyo onkyo scene and parallel European reductionist circles. Performances are typically intimate, with players listening as much as playing, privileging restraint, duration, and the sonic grain of materials.

Onkyo (also called onkyō-kei) is a Japanese approach to experimental, electroacoustic improvisation that centers on extremely quiet dynamics, sparse gestures, and the amplification of minute sonic events. Rather than focusing on melody, harmony, or pulse, it treats sound itself—hiss, hum, feedback, room tone, and the grain of instruments—as the primary material. Performers often use no-input mixing boards, sine-wave samplers, laptops, contact microphones, and extended instrumental techniques to reveal fragile textures and near-silences. Long stretches of space and restraint invite deep listening, making the acoustic qualities of the venue and the audience’s presence integral to the music.

Reductionism is a strand of experimental, improvised music that emerged in the late 1990s, coalescing in scenes around Berlin, London, Tokyo, and Vienna. It focuses on extremely quiet dynamics, the creative use of silence, and the cultivation of subtle, unconventional timbres. Hallmarks include microtonality, extended and non-standard techniques, high amplification at very low volumes, and attention to minute sonic events such as friction, breath, electrical hum, and resonant artifacts. Rather than narrative arcs or traditional rhythm/harmony, the music prioritizes space, texture, and the act of listening itself.

Opera-ballet (opéra-ballet) is a French Baroque stage genre that blends sung opera with extensive, self-contained dance episodes. Typically organized as a prologue followed by several independent entrées linked by a loose theme, it favors variety, spectacle, and graceful movement over the strict tragic unity of earlier French opera. Emerging in Paris at the close of the 17th century, the form cultivated elegant divertissements, richly orchestrated choruses, and expressive French recitative, all designed to showcase star singers and dancers. Its subjects range from pastoral and mythological to exotic and festive, creating a refined, courtly entertainment that balances dramatic singing with choreographic display.