日本國民

Jungle is a fast, breakbeat-driven electronic music genre that emerged in the UK in the early 1990s. It is characterized by heavily chopped and re-sequenced funk drum breaks (most famously the Amen, Think, and Apache breaks), deep sub-bass rooted in reggae and dub, and frequent use of ragga and dancehall vocals. Typically around 160–175 BPM, jungle emphasizes syncopation, polyrhythms, ghost-note snare articulations, and swung grooves. Production often features time‑stretching artifacts, pitch‑shifting, rewinds, sirens, and dub‑style effects, creating a kinetic, raw, and rhythmic sound world. While closely related to drum and bass, jungle retains a distinct identity through its reggae/dancehall influence, looser and more chopped breakbeats, rough-and-ready sample aesthetics, and sound system culture sensibility.

Breakbeat is an electronic dance music style built around syncopated, sampled drum "breaks" rather than a straight four-on-the-floor kick. Producers chop, loop, and rearrange classic drum breaks (such as the Amen, Apache, and Think breaks) to create swung, shuffling rhythms with strong backbeat accents. Emerging from the UK rave continuum, breakbeat draws heavily on hip hop’s sampling culture and electro’s machine-funk, while adopting house/acid-house sound design and club-focused arrangements. Tempos most commonly sit between 125–140 BPM (though broader ranges occur), featuring heavy sub-bass, crunchy snares, and edits/fills that propel dancefloors without relying on a 4/4 kick. As a scene, "breaks" spans everything from big-room, party-leaning grooves to techy, nu skool textures and regional variants like Florida breaks. It also functions as a foundational rhythmic vocabulary that informed jungle and drum and bass, and it underpins much of modern bass music.

Drum and bass (DnB) is a fast, rhythmically intricate form of electronic dance music centered on breakbeats at roughly 160–180 BPM and powerful, sub‑heavy basslines. It grew out of the UK’s early ’90s rave and jungle scenes, combining chopped funk breaks (most famously the Amen break), dub and reggae sound‑system aesthetics, hip‑hop sampling, and techno’s futurist sound design. Across its many substyles—liquid funk’s soulful harmonies, techstep and neurofunk’s cold, machine‑like bass engineering, jump‑up’s hooky bass riffs, atmospheric DnB’s pads and space—drum and bass remains a DJ‑oriented, dancefloor‑driven genre that prizes tight drum programming, deep low end, and precise arrangement for mixing.

Electronic is a broad umbrella genre defined by the primary use of electronically generated or electronically processed sound. It encompasses music made with synthesizers, drum machines, samplers, computers, and studio/tape techniques, as well as electroacoustic manipulation of recorded or synthetic sources. The genre ranges from academic and experimental traditions to popular and dance-oriented forms. While its sonic palette is rooted in electricity and circuitry, its aesthetics span minimal and textural explorations, structured song forms, and beat-driven club permutations. Electronic emphasizes sound design, timbre, and studio-as-instrument practices as much as melody and harmony.

Happy hardcore is a fast, euphoric branch of the early UK rave continuum characterized by brisk tempos, 4/4 kicks, bright piano stabs, supersaw leads, and pitched-up “chipmunk” vocals. It emphasizes major-key harmony, catchy melodies, and ecstatic breakdowns, aiming for maximum uplift on the dancefloor. Compared to darker hardcore and gabber, happy hardcore favors feel-good hooks, singalong choruses, and sentimental atmospheres while retaining the relentless energy and drive of hardcore techno.

Hardcore techno is a high‑tempo, aggressively produced branch of techno characterized by distorted, punchy four‑on‑the‑floor kicks, abrasive sound design, and relentless rhythmic drive. Typical tempos range from about 160 to 190 BPM (and can go even faster in some scenes), creating an intense, physically demanding dance experience. The style emphasizes saturated 909‑style kick drums with clipped/transient "click" and long distorted tails, industrial textures, harsh stabs (including classic "hoover" tones), alarming FX, and short shouted or sampled vocals. Harmony is sparse and often minor, with dissonant intervals or horror/industrial atmospheres. The overall aesthetic is raw, dark, and functional for large rave systems, designed to evoke catharsis and high energy on the dancefloor.

J-core is a Japanese take on hardcore techno that fuses high-BPM club structures with otaku culture, game/anime sampling, and brightly melodic writing. It typically sits in the 160–200+ BPM range, using pounding four-on-the-floor kicks, gabber-style distorted low-end, or layered breakbeats. The style is defined by hyper-melodic leads (often supersaws), euphoric trance harmonies, and chopped/processed voice clips from anime, games, denpa songs, or Vocaloid. Aesthetically it leans kawaii/cute but can swing toward intense, chaotic, or even speedcore extremes. J-core flourished in Japan’s doujin scene and rhythm-game ecosystem, with circles and labels releasing compilations and event-driven tracks.

Nerdcore techno is an internet-born strain of high‑energy electronic dance music that obsessively samples and remixes pieces of 1980s and 1990s Japanese pop culture—anime dialogue and openings, TV commercials, arcade jingles, game consoles, and idol songs—often without prior clearance. Producers chop, timestretch, and bit‑crush these fragments into manic, hooky loops, then drive them with four‑on‑the‑floor kicks or breakbeats at hardcore tempos. Musically, it sits between J‑core, happy hardcore, gabber, and breakcore: bright supersaw riffs, chip‑style leads, and cartoonish FX ride over 160–190 BPM drums, sudden drop‑cuts, and meme‑worthy vocal stabs. Culturally, it embraces otaku aesthetics—cover art, track titles, and visual branding reference retro Japanese media—making nostalgia as central as speed and impact.

Techno is a four-on-the-floor, machine-driven form of electronic dance music that emerged in mid-to-late 1980s Detroit. It is characterized by steady 4/4 kick drums, repetitive and hypnotic rhythmic patterns, synthetic timbres, and an emphasis on texture, groove, and forward momentum over elaborate harmony. Producers typically use drum machines, sequencers, and synthesizers to build layered percussion, pulsing basslines, and evolving motifs. While often dark and minimalistic, techno spans a wide spectrum—from soulful, futuristic Detroit aesthetics to hard, industrially tinged European strains—yet it consistently prioritizes kinetic energy for dancefloors and a sense of machine futurism.