EMI‐Odeon

Latin (as a genre label) is a broad umbrella used by the recording industry to categorize popular music rooted in Latin America, the Caribbean, and the Iberian world, often characterized by syncopated Afro-diasporic rhythms, dance-forward grooves, and lyrics primarily in Spanish or Portuguese. As a marketplace category that took shape in the mid-20th century United States, it gathers diverse traditions—Afro-Cuban, Brazilian, Mexican, and Caribbean styles—into a shared space. In practice, "Latin" spans everything from big-band mambo and bolero ballads to contemporary pop, rock, hip hop, and dance fusions produced by artists of Latin American heritage.

Pop is a broad, hook-driven style of popular music designed for wide appeal. It emphasizes memorable melodies, concise song structures, polished vocals, and production intended for radio, charts, and mass media. While pop continually absorbs elements from other styles, its core remains singable choruses, accessible harmonies, and rhythmic clarity. Typical forms include verse–pre-chorus–chorus, frequent use of bridges and middle-eights, and ear-catching intros and outros. Pop is not defined by a single instrumentation. It flexibly incorporates acoustic and electric instruments, drum machines, synthesizers, and increasingly digital production techniques, always in service of the song and the hook.

Rock is a broad family of popular music centered on amplified instruments, a strong backbeat, and song forms that foreground riffs, choruses, and anthemic hooks. Emerging from mid‑20th‑century American styles like rhythm & blues, country, and gospel-inflected rock and roll, rock quickly expanded in scope—absorbing folk, blues, and psychedelic ideas—while shaping global youth culture. Core sonic markers include electric guitar (often overdriven), electric bass, drum kit emphasizing beats 2 and 4, and emotive lead vocals. Rock songs commonly use verse–chorus structures, blues-derived harmony, and memorable melodic motifs, ranging from intimate ballads to high‑energy, stadium‑sized performances.

Tango is a song-and-dance music from the Río de la Plata region, crystallizing in Buenos Aires (Argentina) and Montevideo (Uruguay) in the late 19th century. It is characterized by a melancholic, dramatic tone; richly expressive melodies; and a distinctive rhythmic feel rooted in the habanera and milonga. Core ensembles feature bandoneón, violin(s), piano, double bass, and sometimes guitar, forming the famed orquesta típica. Across the 1920s–1950s it became a worldwide craze, moving from rough immigrant bars to grand salons and radio, developing highly sophisticated arranging and performance practices. Lyrics often employ lunfardo (Buenos Aires slang) and dwell on urban nostalgia, love, betrayal, and the neighborhood (el barrio). Note on terminology: in flamenco, “tangos” is a distinct palo (song form) with a lively 4/4 compás, often in A Phrygian, closely related in feeling to rumba flamenca. Although it shares the name and a spirited character, flamenco tangos is a different tradition from the Río de la Plata tango described above.