Mark Feldman

Laboratorio is a Brazilian micro‑scene within contemporary hip hop that coalesced around artist‑run collectives and label ecosystems (most visibly Laboratório Fantasma). It blends boom‑bap and modern trap sensibilities with MPB, samba, and neo‑soul harmony, placing lyricism and social commentary at the core. The sound is defined by sample‑friendly, groove‑rich beats, live percussion drawn from Afro‑Brazilian traditions, and melodic hooks that often nod to MPB and samba‑soul. Artists use Portuguese lyricism to address race, class, identity, and everyday life, pairing incisive bars with warm, humanized production and frequent collaborations across rap, R&B, and pop.

Tzadik is a label-centered genre tag that refers to the distinctive aesthetic associated with John Zorn’s Tzadik Records (founded in 1995). The sound cuts across avant‑garde jazz, experimental composition, noise, modern chamber writing, and free improvisation, often unified by a collage-like, cinematic pacing and a deep engagement with Jewish musical motifs. Signature traits include abrupt stylistic juxtapositions; extended instrumental techniques; modal materials drawn from Ashkenazi/Klezmer and Middle Eastern traditions (e.g., Ahava Rabbah/Freygish, Hijaz); and ensembles that range from small improv units to chamber groups with strings, guitar, percussion, and electronics. The label’s hallmark series—Radical Jewish Culture, Composer Series, and New Japan—made this hybrid language widely recognizable.

Free jazz is a radical branch of jazz that rejects fixed chord progressions, strict meter, and conventional song forms in favor of collective improvisation, textural exploration, and spontaneous interaction. Musicians prioritize timbre, dynamics, and gesture as much as pitch and harmony, often using extended techniques (multiphonics, overblowing, prepared piano) and unconventional sounds. While rooted in the blues and earlier jazz vocabularies, free jazz frees improvisers from pre-set harmonic cycles, allowing lines to unfold over tonal centers, shifting modes, drones, or complete atonality. Rhythm sections may float without a steady pulse, or drive with layered polyrhythms and “energy playing.” The result ranges from contemplative soundscapes to cathartic, high-intensity eruptions. Culturally, the genre intersected with the civil rights era and broader avant-garde movements, emphasizing autonomy, community, and new possibilities for musical expression.

Jazz violin is the practice of using the violin as a frontline improvising instrument within jazz ensembles. It combines the instrument’s lyrical, sustained tone and virtuosic bow technique with the rhythmic swing, blues vocabulary, and harmonic sophistication of jazz. From its beginnings in early swing and hot jazz, the style grew to encompass bebop lines, chamber‑like textures, and amplified, effect‑driven approaches in jazz fusion. Hallmark techniques include swing phrasing, blues inflection, slides and portamento, double‑stops and drones for harmonic color, pizzicato for percussive accents, and modern “chopping” for rhythmic comping. In contemporary settings, violinists often use pickups, amplification, and pedals (delay, reverb, subtle overdrive) to cut through modern rhythm sections or to create atmospheric timbres. The idiom spans elegant, dancing manouche swing, bop‑inflected small‑group jazz, ECM‑style chamber jazz, and electric fusion, while retaining the violin’s singing, vocal quality and the improviser’s conversational interplay with the ensemble.

Avant-garde music is an umbrella term for boundary-pushing practices that challenge prevailing norms of harmony, rhythm, timbre, form, and performance. It privileges experimentation, conceptual rigor, and a willingness to reframe what counts as music at all. Historically tied to early 20th‑century artistic modernism, avant-garde music introduced atonality, the emancipation of noise, and new forms of notation and process. It embraces indeterminacy, extended techniques, electronics, spatialization, and multimedia performance, treating sound as material to be sculpted, questioned, and reinvented.