Madlib

Spacegrunge is a modern hybrid that fuses the serrated, riff‑driven power of 1990s grunge with the expansive ambience of space rock and the hazy textures of shoegaze. It typically features heavy, detuned guitars wrapped in delay, reverb, and chorus; muscular, driving basslines; and roomy, mid‑tempo drums that swing between soft‑loud dynamics and tidal crescendos. Vocals often sit slightly submerged in the mix, conveying themes of cosmic isolation, nostalgia, and interior reflection. While rooted in alt‑rock songcraft, spacegrunge widens the sonic field with drones, synth pads, and atmospheric interludes, creating a sense of lift‑off without abandoning the grit and immediacy of guitar music.

Tech-noir is a musical subgenre and aesthetic within the synthwave and darksynth scenes, characterized by a dark, cinematic, and dystopian atmosphere. It draws heavy inspiration from 1980s science fiction and neo-noir films, blending retro-futuristic synthesizer melodies with driving basslines and industrial elements. The music often incorporates narrative storytelling, spoken word samples, and soundscapes that evoke a sense of urban decay, high-tech menace, and cynical romance.

Abstract hip hop is a deliberately experimental, left-field branch of hip hop that emphasizes mood, texture, and unconventional structures over radio-oriented hooks. Beats are often off-kilter, skeletal, or rhythmically unstable, with heavy use of negative space, collage-like sampling, noise, and ambient wash. Production draws from IDM, illbient, trip hop, and dub, favoring granular edits, tape hiss, vinyl crackle, and detuned or atonal timbres. Vocals, when present, lean toward stream‑of‑consciousness poetics, surreal imagery, dense internal rhyme, and non-linear narrative, frequently eschewing traditional verse–chorus formats. The result is a challenging but evocative sound world—introspective, cinematic, and sometimes abrasive—that reshaped the possibilities of underground hip hop in the late 1990s and 2000s.

Instrumental hip hop is a producer-driven form of hip hop that foregrounds beats, textures, and sampling rather than rapping. It typically centers on loop-based drum patterns, chopped samples from soul, jazz, funk, and library records, and a head‑nodding groove designed for deep listening as much as for DJs and MCs. The style emphasizes rhythm, timbre, and mood—swinging drums, dusty vinyl crackle, and melodic fragments treated as musical motifs. While rooted in classic boom bap aesthetics, instrumental hip hop ranges from minimal and meditative to densely collaged and psychedelic, reflecting both crate-digging traditions and studio experimentation.

Experimental hip hop (often called avant-rap or left-field hip hop) pushes rap beyond conventional song forms, sound palettes, and production techniques. It hybridizes boom‑bap and contemporary hip hop rhythms with ideas from industrial, noise, IDM, electroacoustic music, and free jazz, favoring timbral risk‑taking, collage, and abstraction over radio‑oriented polish. Producers and MCs in this style disrupt expectations with unusual meters, asymmetric loops, microtiming, extreme dynamics, and heavy sound design (distortion, granular and spectral processing, tape manipulation). Vocals may range from conventional rapping to spoken word, chant, screams, or heavily processed deliveries. The result foregrounds texture, mood, and concept as much as groove and lyrical content.

Psychedelic hip hop is a subgenre of hip-hop that blends rap with psychedelic music aesthetics. It emphasizes altered, dreamlike, or surreal atmospheres through hazy production, unusual samples, and hypnotic repetition. Common sonic traits include swirling synths, tape-like saturation, phasing/flanging effects, chopped or time-stretched samples, and basslines that feel elastic or “warped.” Lyrically, it often leans toward introspection, abstract imagery, and mind-expansion themes rather than strictly narrative street reportage.

Jazz rap is a hip hop subgenre that fuses the rhythmic delivery and sampling aesthetics of rap with the harmonies, timbres, and improvisational spirit of jazz. Producers typically build beats from jazz records—especially 1950s–1970s hard bop, soul jazz, cool jazz, and jazz-funk—chopping horn stabs, upright bass lines, brushed drums, and electric piano loops into laid‑back, head‑nod grooves. Lyrically, jazz rap often leans toward socially conscious themes, storytelling, and playful wordplay, delivered with a cool, conversational flow. The result is a warm, swing‑inflected sound that sits between boom bap hip hop and jazz tradition: sample‑centric but musical, relaxed yet deeply groove‑driven, and frequently enriched by live instrumentation.

Alternative hip hop is a broad, eclectic wing of hip hop that prioritizes experimentation, left‑field aesthetics, and nonconformist subject matter over commercial formulas. It blends classic rap techniques with unconventional production, live instrumentation, genre cross‑pollination (jazz, funk, rock, electronic, reggae), and inventive songwriting. As a cultural stance, it often rejects narrow mainstream archetypes—embracing thoughtful lyricism, humor, Afrocentricity, social critique, and artistic playfulness—while keeping core elements of MCing, DJing, and sampling at the center.

West Coast hip hop is a regional style of hip hop that arose on the U.S. West Coast, especially in Los Angeles and the San Francisco Bay Area. It is known for its heavy funk-influenced grooves, prominent synthesizer leads, deep bass, and a laid-back but confident delivery. While the early scene mixed electro and old-school rap aesthetics, the late 1980s ushered in hard-edged street narratives associated with gangsta rap. In the early 1990s, Dr. Dre and peers popularized G-funk, a sleek, bass-heavy update that sampled and reinterpreted P-Funk. Later waves—from Bay Area mobb music and hyphy to Los Angeles “jerkin’” and ratchet—continued the region’s emphasis on catchy hooks, swagger, and club- and car-ready beats. Lyrically, West Coast hip hop ranges from party anthems and cruising music to vivid depictions of street life, social realities, and personal introspection, all delivered with distinctive regional slang and cadence.

Coke rap is a hip hop substyle whose lyrics center on street-level cocaine trafficking and the economy, risks, and status dynamics surrounding it. It is not defined by a single exclusive sound palette, but it is commonly delivered with a cold, minimal, and tense atmosphere that supports detailed “hustle narratives,” vivid imagery, and morally complex storytelling. Coke rap often overlaps with gangsta rap and mafioso rap in subject matter and tone, but it is more narrowly focused on cocaine dealing (bricks, re-up cycles, supply chains, surveillance pressure, and profit calculus) as the organizing theme of the writing.

Gangsta rap is a subgenre of hip hop defined by its gritty, street-level storytelling, first‑person narration, and unflinching depictions of crime, policing, poverty, and survival. It foregrounds a hard-hitting vocal delivery over sparse, heavy drum programming and sample-based grooves. Musically, it draws from the foundational elements of hip hop—looped breaks, funk basslines, and turntable aesthetics—while emphasizing menace, swagger, and cinematic detail. Lyrically, it alternates between reportage, braggadocio, social commentary, and personal testimony, often sparking controversy for its explicit content and political provocations. From mid‑1980s origins through the 1990s mainstream, gangsta rap reshaped both the sound and business of hip hop, influencing fashion, language, and global perceptions of urban America.

Hardcore hip hop is a confrontational, uncompromising strain of rap defined by aggressive vocal delivery, hard-hitting drum programming, and stark, sample-driven production. It prioritizes intensity over gloss, often minimizing melody in favor of dense drum breaks, sirens, noise textures, and dissonant stabs. Lyrically, it spans street reportage, social realism, political critique, and battle-ready braggadocio. The aesthetic foregrounds rawness—distorted drums, clipped samples, shouted hooks, and posse energy—while drawing deeply from funk and soul breakbeats, DJ techniques, and the boom-bap tradition.

Boom bap is a foundational East Coast hip hop style defined by hard, punchy drums—“boom” for the kick and “bap” for the snare—laid under sample-based loops from jazz, soul, and funk records. It typically runs around 85–96 BPM, favors gritty, minimally processed textures (often associated with SP‑1200 and early Akai MPC samplers), and foregrounds lyrical skill: multisyllabic rhyme schemes, internal rhymes, storytelling, street reportage, and battle bars. DJ techniques such as scratching and cut‑choruses are common, and arrangements emphasize head‑nod grooves, sparse basslines, and tight bar structures that give MCs room to “sit in the pocket.”

Plunderphonics is a sample-based music practice in which new compositions are made entirely or predominantly from pre‑existing recordings. Rather than using short, unrecognizable snippets as texture, plunderphonic works foreground recognizable materials—pop hits, classical excerpts, commercials, voice-overs—and transform them through juxtaposition, layering, pitch-shifting, time-stretching, and collage. Coined by Canadian composer John Oswald in the mid‑1980s, the term names both a technique and a critical stance that questions authorship, originality, and ownership in the age of reproducible media. Plunderphonics often functions as cultural commentary or satire, drawing attention to how meaning changes when familiar sounds are recontextualized. Stylistically, it ranges from dense cut‑up cacophony to groove-oriented rearrangements that remain danceable and accessible.

Hip hop is a cultural and musical movement that emerged from Black, Latino, and Caribbean communities, centering around rapping (MCing), DJing/turntablism, sampling-based production, and rhythmic speech over beats. It prioritizes groove, wordplay, and storytelling, often reflecting the social realities of urban life. Musically, hip hop is built on drum-centric rhythms (from breakbeats to 808 patterns), looped samples, and bass-forward mixes. Lyrically, it ranges from party anthems and braggadocio to political commentary and intricate poetic forms, with flow, cadence, and rhyme density as core expressive tools. Beyond music, hip hop encompasses a broader culture, historically intertwined with graffiti, b-boying/b-girling (breakdance), fashion, and street entrepreneurship, making it both an art form and a global social language.

Turntablism is the art of using turntables and a DJ mixer as expressive musical instruments, rather than merely devices to play records. Practitioners manipulate vinyl (or digital vinyl systems) to create new rhythms, textures, and melodies through techniques such as scratching, beat juggling, cutting, and tone play. Rooted in the earliest hip hop DJ practices, turntablism elevates the DJ to a performer-composer who constructs real-time collages from breakbeats, snippets, tones, and vocal cuts. The genre values manual dexterity, rhythmic precision, improvisation, and showmanship, and it thrives both in live battle formats and in studio-produced routines and compositions.

Jazz is an improvisation-centered music tradition that emerged from African American communities in the early 20th century. It blends blues feeling, ragtime syncopation, European harmonic practice, and brass band instrumentation into a flexible, conversational art. Defining features include swing rhythm (a triplet-based pulse), call-and-response phrasing, blue notes, and extended harmonies built on 7ths, 9ths, 11ths, and 13ths. Jazz is as much a way of making music—spontaneous interaction, variation, and personal sound—as it is a set of forms and tunes. Across its history, jazz has continually hybridized, from New Orleans ensembles and big-band swing to bebop, cool and hard bop, modal and free jazz, fusion, and contemporary cross-genre experiments. Its influence permeates global popular and art music.

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.