Billy Hart

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.

Jazz fusion (often simply called "fusion") blends the improvisational language and harmonic richness of jazz with the amplified instruments, grooves, and song forms of rock, funk, and R&B. It typically features electric guitars, electric bass or fretless bass, Rhodes electric piano, clavinet, analog and digital synthesizers, and a drum kit playing backbeat- and syncopation-heavy patterns. Hallmarks include extended chords and modal harmony, complex and shifting meters, brisk unison lines, virtuosic improvisation, and a production aesthetic that embraces effects processing and studio craft. The style ranges from fiery, aggressive workouts to polished, atmospheric textures, often within the same piece. Emerging in the late 1960s and flourishing through the 1970s, jazz fusion became a bridge between jazz audiences and rock/funk listeners, shaping later styles such as jazz-funk, smooth jazz, nu jazz, and parts of progressive and technical rock/metal.

Post-bop is a modern jazz style that emerged in the early-to-mid 1960s as a synthesis of bebop, hard bop, modal jazz, cool jazz, third stream ideas, and the experimental impulses of the avant‑garde. It typically features acoustic small ensembles (often trumpet, saxophone, piano, bass, and drums) interacting with highly flexible time, non-functional or modal harmony, and motivic development rather than relying strictly on bebop chord cycles. Its sound balances structure and freedom: forms are clearly composed and often intricate, but improvisers stretch time feels, reharmonize on the fly, and use advanced harmonic colors such as quartal voicings, pedal points, and chromatic planing. Canonical touchstones include Miles Davis’s mid‑’60s Second Great Quintet (e.g., E.S.P., Nefertiti), Wayne Shorter’s Speak No Evil, Herbie Hancock’s Maiden Voyage, Andrew Hill’s Point of Departure, and many mid‑’60s Blue Note recordings that pushed beyond hard bop.

Modern jazz piano is a piano-led jazz style that emphasizes sophisticated harmony, flexible time feel, and highly personalized improvisation. Compared with earlier stride and swing-era approaches, it typically uses richer chord extensions, altered dominants, modal harmony, and more advanced voice-leading. The style can be heard in small-group settings (trios and quartets) and solo piano, ranging from lyrical ballad playing to angular, rhythmically complex post-bop language. It often balances clear melodic storytelling with contemporary harmonic color, and it commonly integrates influences from classical music, soul, and modern jazz aesthetics.

Avant-garde jazz is a boundary-pushing current of jazz that privileges experimentation, collective improvisation, and timbral exploration over conventional song forms and chord progressions. It often uses atonality or loose tonality, extended instrumental techniques, shifting or absent meters, and open forms. Ensembles may emphasize texture and density as much as melody and harmony, drawing as readily from modern classical music and non-Western traditions as from blues and bebop. While sometimes intense or noisy, avant-garde jazz also embraces spaciousness and silence, allowing players to interact in real time without predetermined roles. The result is music that questions the limits of jazz itself, foregrounding sound, spontaneity, and social expression.

Jazz drums refers to the art and practice of playing the drum set in jazz, where the drummer shapes time, texture, and dynamics for improvising ensembles. It is characterized by a swinging ride-cymbal pulse (the “spang‑a‑lang” pattern), syncopated “comping” on snare and bass drum, light hi‑hat on beats 2 and 4, and extensive use of brushes. Jazz drummers prioritize touch, nuance, and interaction—coloring the music with cymbal tones, cross‑stick, ghost notes, and dynamic swells while responding in real time to soloists. From early New Orleans ensembles to bebop, modal, free, and fusion contexts, jazz drums evolved into a virtuosic, conversational role: moving the time to the ride cymbal (Kenny Clarke), expanding independence and melodic phrasing (Max Roach), and introducing polyrhythms, metric modulation, and global rhythmic vocabularies.