Junichi Inagaki

Retro pop is contemporary pop music that deliberately evokes the sound, songwriting, and studio aesthetics of earlier eras—most commonly the late 1970s and 1980s, but also the 1960s girl‑group era, 1970s disco, soft rock, and early 1990s pop-R&B. Hallmarks include analog-leaning synth textures, danceable four-on-the-floor or funky backbeats, prominent basslines, glossy chorus-heavy guitars, gated-reverb drums, stacked background vocals, and big, unforgettable hooks. While its palette looks backward, retro pop uses modern production workflows—tight low-end, streaming-friendly loudness, and contemporary vocal processing—so it feels nostalgic yet current. Lyrically, retro pop often pairs timeless pop themes (romance, yearning, nightlife, bittersweet memories) with sleek, neon-tinged imagery and cinematic nostalgia, bridging classic pop sensibilities with today’s chart expectations.

J-pop (Japanese pop) is a broad umbrella for mainstream Japanese popular music that blends Western pop/rock, dance, and R&B with distinctly Japanese songwriting, vocal delivery, and industry practices. It is characterized by strong hooks, polished production, bright synths and guitars, frequent key changes and modulatory bridges, and chorus-first or chorus-centric structures. J-pop spans idol groups, singer-songwriters, band-oriented pop-rock, electronic dance-pop, and R&B ballads, while remaining closely tied to television, advertising, video games, and anime tie-ins (anisong).

City pop is a sleek, cosmopolitan strain of Japanese popular music that emerged in the late 1970s and flourished throughout the 1980s. It fuses the polish of Western AOR and soft rock with funk, disco, jazz fusion, and boogie grooves, wrapping them in sophisticated harmonies and studio gloss. Built for car stereos, FM radio, and neon-lit nightlife, the style favors tight rhythm sections, lush keyboards (Rhodes, FM synths), clean chorus-laden guitars, and sax or synth leads. Lyrics often paint aspirational urban scenes—coastal highways, midnight drives, summer romance—balancing breezy optimism with a bittersweet, nostalgic hue. After a period of relative dormancy in the 1990s, city pop enjoyed a global revival in the 2010s via YouTube algorithms, online crate-digging, and sample-based microgenres, turning once-domestic hits into worldwide cult classics.

AOR (often read as Album-Oriented Rock and, in stylistic terms, Adult-Oriented Rock) is a polished, melody-forward strain of rock geared for FM radio and arena stages. It pairs sleek production with anthemic choruses, soaring vocals, and a balance of guitar crunch and prominent keyboards, aiming for broad appeal without sacrificing musicianship. In practice, AOR sits between hard rock and soft rock: tight rhythm sections, glossy multi-tracked harmonies, clean-to-overdriven guitar leads, and radio-friendly structures. Its repertoire spans driving uptempo anthems and emotive power ballads, with frequent key changes for climactic final choruses, meticulously layered arrangements, and lyrical themes of romance, resilience, and escape.

Enka is a Japanese popular song style known for its sentimental ballads, expressive vocals with wide vibrato, and dramatic, narrative delivery. It evokes nostalgia for hometowns, bygone eras, and lost love, often painting scenes of coastal ports, country roads, and seasonal landscapes. Musically, enka blends Western harmonic frameworks with Japanese melodic sensibilities. Melodies often use yonanuki (four-note-omission) major or minor pentatonic variants, creating a “traditional” Japanese color over simple, diatonic progressions. Arrangements favor lush strings, reverb-laden guitars, saxophone obbligatos, and occasional traditional timbres (shamisen or shakuhachi) for color. Culturally, enka rose to mass popularity during the postwar Shōwa era and remains tied to television variety shows, karaoke bars, and live theater venues. Its performance practice foregrounds pathos, rubato phrasing, and ornamental turns called kobushi.

Pop is a broad, hook-driven style of popular music designed for wide appeal. It emphasizes memorable melodies, concise song structures, polished vocals, and production intended for radio, charts, and mass media. While pop continually absorbs elements from other styles, its core remains singable choruses, accessible harmonies, and rhythmic clarity. Typical forms include verse–pre-chorus–chorus, frequent use of bridges and middle-eights, and ear-catching intros and outros. Pop is not defined by a single instrumentation. It flexibly incorporates acoustic and electric instruments, drum machines, synthesizers, and increasingly digital production techniques, always in service of the song and the hook.