Takuya Kuroda

New Jazz is a contemporary subgenre of trap music that emerged from the underground SoundCloud scene. Despite its name, it is distinct from the 'Nu Jazz' of the 1990s. It is characterized by colorful, repetitive synthesizer melodies, often utilizing jazz-influenced 7th and 9th chords, paired with 'wonky' or off-kilter 808 basslines and bouncy, complex trap drum patterns. The sound is often described as psychedelic, playful, and experimental, bridging the gap between the aggression of Rage beats and the melodic sensibilities of Pluggnb.

Lo‑fi jazzhop is a mellow, beat‑driven style that blends the relaxed swing and harmony of jazz with the loop‑based production of instrumental hip hop. It favors intimate textures—vinyl crackle, tape hiss, saturated drums—and simple, hypnotic chord cycles colored by extended jazz voicings. Typically sitting around 70–90 BPM, tracks emphasize groove and mood over virtuosic solos, using Rhodes or piano, upright or electric bass, brushed or lightly compressed drums, and occasional guitar, horns, or vibraphone. Production choices (soft compression, saturation, gentle filtering, sidechain breathing) create a warm, nostalgic patina designed for studying, working, or late‑night listening. While rooted in 1990s jazz‑inflected hip hop, lo‑fi jazzhop crystallized online during the mid‑to‑late 2010s through 24/7 streams and playlist culture. It has since evolved from sample‑centric loops to an increasingly royalty‑clean, performance‑based approach that preserves the genre’s tranquil, cozy atmosphere.

Neo R&B is a modern evolution of contemporary R&B that blends classic soul vocal traditions with current hip-hop sensibilities and forward-looking electronic production. It typically features intimate, close-mic singing (often with melisma and layered harmonies), spacious mixes, and experimental textures drawn from electronic music, alternative pop, and modern hip-hop beat-making. Compared with earlier mainstream R&B, neo R&B often favors subtler hooks, mood-driven songwriting, and a “late-night” sonic palette built on deep bass, soft drums, and minimalist chord movement.

Indie jazz blends the improvisational language and harmonic richness of jazz with the songwriting, aesthetics, and DIY production ethos of indie rock and indie pop. It favors intimate, groove-oriented ensembles, accessible melodies, and textural experimentation over virtuosic display alone, often incorporating ambient electronics, hip hop rhythms, and post‑rock dynamics. The result is a contemporary, listener-friendly sound that keeps jazz harmony and improvisation at its core while embracing indie sensibilities in arrangement, tone, and mood.

Nu jazz is a late-1990s movement that blends contemporary electronic production with the improvisational language and harmony of jazz. It keeps jazz’s extended chords, modal colors, and live soloing, but places them over programmed beats, sampled textures, and synth-driven arrangements. Typical tracks feature warm Rhodes or piano voicings, roomy horns, and deep bass sitting alongside house, broken beat, or downtempo grooves. The result is music that feels both club-ready and listening-focused, bridging intimate jazz sensibilities with modern electronic sound design.

Jazz-funk is a groove-forward hybrid of jazz improvisation and harmony with the rhythmic drive and backbeat of funk. It features syncopated basslines, crisp drum patterns, and tight horn or keyboard riffs, often organized around vamping two- or four-bar progressions rather than complex chord changes. The sound is defined by electric instruments—Fender Rhodes, Clavinet, analog and early digital synthesizers, electric bass, and wah-inflected guitar—alongside punchy horn sections and extended solos. Compared to traditional jazz, the harmonic language is leaner but still rich, emphasizing 9ths, 11ths, 13ths, and modal centers (especially Dorian). The music aims for deep, danceable pocket, slick production, and a soulful, urban feel.