93 'Til Infinity

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.

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.

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.”

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.

Rap is a vocal music style built on the rhythmic, rhymed, and often improvised spoken delivery of lyrics over a beat. It emphasizes flow, cadence, wordplay, and narrative, and is commonly performed over sampled or programmed drum patterns and loops. Emerging from block parties and sound-system culture in the Bronx, New York City, rap became the core vocal expression of hip hop culture alongside DJing, breakdancing, and graffiti. While it is closely linked to hip hop, rap as a technique and genre has also crossed into pop, rock, electronic, and global regional scenes. Musically, rap favors strong drum grooves (breakbeats, 808 patterns), sparse harmony, and loop-based structures that foreground the MC’s voice. Lyrically, it spans party chants and battle brags to intricate internal rhymes, social commentary, reportage, and autobiography.

Instrumental is music created and performed without sung lyrics, placing the expressive weight on melody, rhythm, harmony, and timbre produced by instruments. As an umbrella practice it appears in many cultures, but its modern identity cohered in Baroque-era Europe when purely instrumental forms such as the sonata, concerto, and dance suites began to flourish. Since then, instrumental thinking—developing motives, structuring form without text, and showcasing timbral contrast—has informed everything from orchestral music and solo piano repertoire to post-rock, film scores, and beat-driven electronic styles. Instrumental works can be intimate (solo or chamber) or expansive (full orchestra), narrative (programmatic) or abstract (absolute music). The absence of lyrics invites listeners to project imagery and emotion, making the style a natural fit for cinema, games, and contemplative listening.