Una Mae Carlisle

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.

Vocal jazz is a jazz tradition in which the human voice is treated as an instrument—matching the phrasing, articulation, and timbral nuance of horns or piano. Singers often improvise melodically and rhythmically, including using scat singing (nonsense syllables) to emulate instrumental solos. At the same time, many vocal‑jazz performances favor traditional, pop‑leaning song structures and clear lyric delivery, reducing the overall role of extended improvisation compared with small‑group instrumental jazz. Repertoires frequently draw from Tin Pan Alley and Broadway standards (the Great American Songbook), rendered with swing, ballad, or Latin feels.

A torch song is a sentimental, often slow ballad that expresses the pain of unrequited love, longing, heartbreak, or romantic resignation. The term comes from the idiom “to carry a torch,” meaning to continue loving someone after the relationship has ended. Rooted in the Great American Songbook and popularized by nightclub and film performances, torch songs emphasize intimate, expressive vocals and finely shaded phrasing over virtuosic display. Harmonically, they typically employ the sophisticated jazz- and Tin Pan Alley–influenced palette of the classic 32‑bar AABA standard, with rich extensions, secondary dominants, and occasional modulations. Although historically associated with smoky clubs and crooners, the torch approach has continued through modern pop and R&B ballads, where the focus remains on story, vulnerability, and vocal nuance.