SPI Music

Big band is a large-ensemble style of jazz and popular dance music built around brass, reed, and rhythm sections playing arranged parts. Typical instrumentation includes five saxophones (often doubling clarinet/flute), four trombones, four trumpets, and a rhythm section of piano, guitar, upright bass, and drum set. The music emphasizes swing rhythms, call-and-response between sections, riff-based writing, and dramatic shout choruses, while leaving space for improvised solos. Born in American ballrooms and theaters, big band became the sound of the Swing Era, providing both music for dancing and a platform for sophisticated arranging and orchestration that shaped much of 20th‑century jazz and popular music.

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.

Ska is a Jamaican popular music style characterized by a brisk 4/4 groove, off‑beat guitar or piano upstrokes (the “skank”), walking bass lines, and punchy horn riffs. Emerging in late‑1950s Kingston dancehalls, ska fused local mento and calypso with American rhythm & blues and jazz, creating a lively sound that celebrated independence‑era optimism and street culture. Across time, ska evolved through distinct waves: the original Jamaican ska of the early 1960s, the racially integrated and politically aware 2 Tone movement in late‑1970s Britain, and the third‑wave explosion in the 1990s that blended ska with punk energy around the world.

Swing is a jazz style centered on a buoyant, danceable groove created by a walking bass, four-to-the-bar rhythm guitar, a backbeat emphasis on 2 and 4, and a lilted “swung” eighth-note feel. Typically performed by big bands (saxes, trumpets, trombones, and a rhythm section) as well as small combos, it balances written arrangements with improvised solos. Hallmarks include call-and-response between horn sections, riff-based melodies, shout choruses that build intensity near the end of an arrangement, and rich sectional voicings grounded in blues language and ii–V–I harmonic motion. Tempos range from medium to brisk, serving social dances like the Lindy Hop and Jitterbug. Swing’s expressive phrasing, dance-floor focus, and sophisticated arranging made it the dominant popular music of the late 1930s and early 1940s.

Ska jazz is a fusion genre that combines the rhythmic energy and offbeat accentuation of ska with the harmonic complexity, improvisation, and instrumentation of jazz. While the roots of the style date back to the original Jamaican ska era of the 1960s—where jazz musicians played indigenous rhythms—the specific label and movement crystallized in the 1990s. The genre is characterized by a strong instrumental focus, featuring prominent horn sections (saxophones, trumpets, trombones) playing jazz-influenced melodies and solos over a driving ska or reggae rhythm section. Compositions often follow jazz standards structures (head-solos-head) or re-imagine classic jazz tunes with a Jamaican beat.