Sony Music Entertainment (Argentina) S.A.

Alternative metal blends the weight and riff-centric power of heavy metal with the experimentation, attitude, and sonic breadth of alternative rock. It favors downtuned guitars, groove-forward rhythm sections, dynamic shifts between quiet and loud passages, and a wide stylistic toolkit that can include funk syncopation, industrial textures, noise rock abrasion, and even hip-hop cadences. Vocals range from melodic crooning to aggressive shouts and screams; song forms often depart from standard verse–chorus structures in favor of unpredictable builds, angular bridges, and atmospheric interludes. Harmonically, it leans on modal colors (Aeolian, Dorian, Phrygian), dissonant intervals, and chromatic motion, while production choices highlight contrast—thick guitar layers set against open space, clean arpeggios against crushing walls of sound, and organic performances enhanced by creative effects.

Latin pop is mainstream pop music performed primarily in Spanish (and sometimes Portuguese) that blends contemporary pop songwriting with Latin American and Iberian rhythms, harmonies, and vocal stylings. It typically features verse–pre-chorus–chorus forms, catchy hooks, polished production, and a balance between rhythmic drive and romantic lyric themes. Classic Latin pop often leans on bolero- and ballad-informed melodies and soft-rock textures, while modern Latin pop readily incorporates dance-pop, electronic, and urbano elements (such as reggaeton-influenced grooves) without losing its sing-along pop core.

Latin rock blends the instrumentation and attitude of rock with Afro‑Latin and Caribbean rhythms, percussion, and song forms. Typical bands combine electric guitars, bass, and drum kit with congas, bongos, timbales, and hand percussion, creating a driving, danceable groove grounded in the clave. Vocals may be in Spanish, Portuguese, Spanglish, or English, and lyrics range from love songs and urban life to social and political commentary. Harmonically, Latin rock draws from blues/rock progressions but frequently incorporates modal colors (Dorian, Mixolydian) and montuno‑style vamps borrowed from salsa and Afro‑Cuban traditions. The result sits comfortably between club‑ready rhythm and arena‑sized rock energy.

Metal (often used to mean heavy metal in its broad, umbrella sense) is a loud, guitar-driven style of rock defined by high-gain distortion, emphatic and often martial rhythms, and a dense, powerful low end. It foregrounds riff-based songwriting, dramatic dynamics, virtuosic guitar solos, and commanding vocals that range from melodic wails to aggressive snarls and growls. Harmonically, metal favors minor modes, modal color (Aeolian, Phrygian), chromaticism, and tritone-inflected tension, while thematically it explores power, mythology, the occult, social critique, fantasy, and existential subjects. While adjacent to hard rock, metal typically pushes amplification, distortion, precision, and thematic intensity further, forming a foundation for many specialized subgenres.

Nu metal is a hybrid style that fuses the weight and riff-centric attack of heavy metal with hip‑hop rhythms, turntablism, funk bounce, and the angst‑laden melodicism of alternative rock. It favors down‑tuned, percussive guitar work, punchy bass lines, and groove‑heavy drum patterns over extended solos. Vocals often switch rapidly between rapped verses, shouted/screamed passages, and soaring melodic choruses. Production tends to be glossy yet bass‑forward, frequently incorporating DJ scratches, samples, electronic textures, and syncopated, hip‑hop‑influenced beats. Lyrical themes commonly explore alienation, trauma, social pressure, and catharsis. The result is an accessible but aggressive sound that emphasizes groove, dynamics, and hook‑writing as much as heaviness.

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.

Reggae is a popular music genre from Jamaica characterized by a laid-back, syncopated groove, prominent bass lines, and steady offbeat “skank” guitar or keyboard chords. The rhythmic core often emphasizes the third beat in a bar (the “one drop”), creating a spacious, rolling feel that foregrounds bass and drums. Typical instrumentation includes drum kit, electric bass, rhythm and lead guitars, keyboards/organ (notably the Hammond and the percussive "bubble"), and often horn sections. Tempos generally sit around 70–80 BPM (or 140–160 BPM felt in half-time), allowing vocals to breathe and messages to be clearly delivered. Lyrically, reggae ranges from love songs and everyday storytelling to incisive social commentary, resistance, and spirituality, with Rastafarian culture and language (e.g., “I and I”) playing a central role in many classic recordings. Studio production techniques—spring reverbs, tape delays, and creative mixing—became signature elements, especially through dub versions that strip down and reimagine tracks.

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.

Rock opera is a narrative-driven form of rock music in which a sequence of songs tells a coherent story, often through distinct characters, recurring leitmotifs, and theatrical arcs. Unlike a loose concept album, a rock opera typically emphasizes plot, character development, and musical continuity, borrowing structural ideas from opera (overtures, reprises, arias/solos, and dramatic climaxes) while retaining the instrumentation, rhythms, and sonic vocabulary of rock. Works can exist as studio albums, staged productions, or films, and may range from guitar-centered ensembles to fully orchestrated scores with choirs and narration. The form emerged in the late 1960s with UK pioneers and grew alongside progressive and symphonic rock in the 1970s.