Mongrel Records

Alternative rock is a broad umbrella for guitar-based rock that emerged from the independent and college-radio scenes as a counterpoint to mainstream, commercial rock. It blends the energy and ethos of punk with the textural and songwriting experiments of post-punk, new wave, jangle pop, and noise rock, often foregrounding introspective or socially aware lyrics. Across its many strains—from the melodic minimalism of college rock to the loud-quiet-loud dynamics of grunge and the artful experimentation of Radiohead-era modernism—alternative rock prioritizes authenticity, sonic individuality, and a do-it-yourself approach. Its sound ranges from chiming, chorus-laden clean guitars to abrasive distortion and feedback, supported by straightforward rock rhythms or off-kilter grooves, and production that can be either raw and live-sounding or polished yet unconventional.

Blues rock is a guitar-driven style that fuses the raw feeling and 12‑bar structures of the blues with the power, volume, and rhythmic punch of rock. It emphasizes riff-based songs, pentatonic and blues-scale soloing, call‑and‑response between voice and guitar, and an expressive, often gritty vocal delivery. Typical ensembles are power trios (guitar, bass, drums) or quartet formats adding second guitar, keyboards, or harmonica, and performances commonly feature extended improvisation. Sonically, it favors overdriven tube-amp tones, sustained bends, vibrato, and dynamic contrasts, moving from shuffles and boogies to straight‑eighth rock grooves.

Desert rock is a heavy, groove-forward guitar music associated with the Palm Desert/Coachella Valley scene of Southern California. It blends the weight and riff-focus of 1970s hard rock and early metal with the expansive ambiance of psychedelic and space rock. Characterized by down-tuned, fuzz-saturated guitars, hypnotic mid-tempo grooves, and a dry, roomy production aesthetic, the style often feels both heavy and spacious at once. Songs emphasize circular riffs, modal or blues-based melodies, and long-form jams, evoking the openness of the desert through reverb-laden leads and minimalistic arrangements. Lyrically and visually, desert rock draws on themes of isolation, vast landscapes, road culture, and altered states. The scene built its identity around DIY “generator parties” in the desert, where bands powered their rigs with portable generators and played all-night sets under the open sky.

Doom metal is a heavy metal subgenre defined by slow to mid-tempo grooves, down-tuned, highly distorted guitars, and an atmosphere of dread, melancholy, and weight. It emphasizes ominous, minor-key riffs and sustained tones over speed or virtuosity, creating a crushing sense of space and inevitability. Vocals range from plaintive and theatrical (epic/traditional doom) to anguished wails or harsh growls (death-doom), and lyrics often explore themes of suffering, mortality, the occult, apocalyptic visions, and existential despair. Song structures are typically riff-centric and long-form, with repetition and gradual dynamic shifts producing a hypnotic, ritualistic feel.

Garage rock is a raw, energetic style of rock music that emerged in the mid-1960s from local scenes across North America. Typically performed by amateur or semi-professional teenage bands in basements and suburban garages, the sound is unpolished and immediate, favoring feel over finesse. Its hallmarks include distorted guitars, pounding drums, simple chord progressions (often I–IV–V), prominent Farfisa/Vox organ riffs, and shouted, attitude-heavy vocals. Songs are short, hooky, and driven by rhythmic urgency, with lyrics about teenage love, boredom, rebellion, and swagger. The style became a direct ancestor of proto-punk and punk rock, prized for its do-it-yourself spirit and visceral impact.

Hard rock is a loud, riff-driven style of rock music built around heavily amplified electric guitars, a powerful rhythm section, and assertive vocals. Songs typically center on memorable, blues-based guitar riffs, strong backbeats, and energetic, often shouted or belted choruses. The genre emphasizes power, groove, and visceral impact over intricate harmony or extended improvisation. Distortion, power chords, pentatonic melodies, and call‑and‑response between vocals and guitar are core traits, while lyrical themes often explore rebellion, lust, swagger, escape, and cathartic release.

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.

Noise rock is a subgenre of rock that deliberately embraces distortion, feedback, dissonance, and abrasive textures as primary musical materials rather than mere effects. It prioritizes timbre, volume, and sonic density over conventional melody and harmony, often using nonstandard tunings, prepared or detuned guitars, and extended techniques to generate harsh overtones and sheets of sound. Rhythm sections tend to be driving and repetitive, anchoring the chaos with motorik pulses, lurching grooves, or pummeling, minimal patterns. Vocals range from spoken and murmured to shouted and cathartic, with lyrics that skew cryptic, confrontational, or surreal. Aesthetically, noise rock traces a line from punk’s anti-virtuosity and DIY ethos through no wave’s iconoclasm and the avant-garde’s interest in sound-as-sound, yielding music that can be physically intense, psychologically unsettling, and artistically exploratory.

Post-rock is a style that uses traditional rock instrumentation—guitars, bass, drums, and often piano or strings—to create expansive textures, evolving soundscapes, and dynamic arcs rather than conventional verse–chorus songs. It emphasizes timbre, atmosphere, and gradual development: clean or lightly overdriven guitars drenched in delay and reverb, cyclical ostinatos, layered crescendos, and pronounced quiet–loud dynamics. Vocals, if present, are often sparse, wordless, or treated as another textural layer. The genre draws heavily from ambient, minimalism, krautrock, progressive and space rock, shoegaze, noise rock, and experimental practices, yielding music that can feel cinematic, contemplative, and emotionally cathartic.

Progressive metal blends the ambition and extended song forms of progressive rock with the heaviness, timbre, and energy of heavy metal. It is characterized by complex arrangements, frequent time‑signature changes, virtuosic instrumental passages, thematic or concept‑driven albums, and a wide dynamic range from delicate, atmospheric sections to aggressive, high‑gain climaxes. Harmonically it draws on modal interchange, chromatic voice‑leading, and jazz‑fusion colors, while rhythmically it favors polymeters, polyrhythms, and metric modulation. Keyboards and layered production often add orchestral or cinematic scope.

Progressive rock is a rock subgenre that expands the genre’s formal, harmonic, and conceptual boundaries. It favors long-form compositions, intricate arrangements, and virtuosic musicianship, often drawing on Western classical, jazz, folk, and psychedelic idioms. Typical hallmarks include multi-part suites, shifting time signatures, extended instrumental passages, recurring motifs, and concept albums that present unified themes or narratives. The sound palette commonly features electric guitar, bass, and drums alongside an array of keyboards (Hammond organ, Mellotron, Moog/ARP synthesizers, piano), woodwinds or brass, and occasional orchestral additions. Lyrics often explore science fiction, mythology, philosophy, social commentary, and introspective themes.

Psychedelic is an umbrella term for music that seeks to evoke, emulate, or accompany altered states of consciousness through sound, arrangement, and studio technique. It emphasizes timbral color, drones, modal harmony, surreal or mystical lyrics, and immersive production, often using tape manipulation, extended effects, and non‑Western instruments (notably from Indian classical traditions). The result ranges from delicate, dreamlike textures to dense, kaleidoscopic soundscapes intended to expand perception and dissolve conventional song form.

Punk is a fast, abrasive, and minimalist form of rock music built around short songs, stripped-down instrumentation, and confrontational, anti-establishment lyrics. It emphasizes DIY ethics, raw energy, and immediacy over virtuosity, often featuring distorted guitars, shouted or sneered vocals, and simple, catchy melodies. Typical songs run 1–3 minutes, sit around 140–200 BPM, use power chords and basic progressions (often I–IV–V), and favor live, unpolished production. Beyond sound, punk is a cultural movement encompassing zines, independent labels, political activism, and a fashion vocabulary of ripped clothes, leather, and safety pins.

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.

Shoegaze is a subgenre of alternative rock characterized by dense, immersive walls of guitar sound, heavily layered effects, and vocals that blend into the mix as another texture rather than a focal point. Typically mid-tempo and enveloping, it emphasizes timbre, atmosphere, and harmonic color over riff-driven hooks. Reverb, delay, chorus, tremolo, fuzz, and pitch-bending create a blurred, dreamlike quality—often described as a "wash"—while bass and drums provide a steady, understated foundation. The style emerged in the United Kingdom in the late 1980s; the term "shoegaze" was coined by the British press, referencing performers’ tendency to look down at their pedalboards during live shows.

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.

Sludge metal is a hybrid of doom metal’s slow, downtuned weight and hardcore punk’s raw aggression. It emphasizes thick, overdriven guitar tones, throttling bass, and drums that lurch between trudging slow-motion grooves and ragged mid‑tempo blasts. Vocals are typically screamed, barked, or anguished, often buried slightly in the mix to feel abrasive and cathartic. The style took shape in the late 1980s United States—particularly the Pacific Northwest and the American South—where bands fused Sabbath‑like doom riffs with the DIY harshness of hardcore and the scabrous textures of noise rock. Lyrical themes commonly explore addiction, despair, social decay, and Southern Gothic imagery, delivered with an intentionally gritty, unvarnished production aesthetic.

Stoner metal is a heavy, riff-centered offshoot of doom metal that fuses the low-and-slow weight of early Sabbath with the hazy psychedelia and fuzz-drenched tones of 1970s hard rock. It emphasizes down-tuned guitars, thick midrange, and hypnotic, groove-forward drumming, often evoking a desert-heat mirage of sustained riffs and feedback. Compared to stoner rock, stoner metal leans darker and heavier, with a doomier pulse, longer song structures, and an almost trance-like fixation on repetition. Lyrics frequently explore cosmic wanderlust, occult imagery, apocalyptic visions, and cannabis counterculture, while production tends to favor warm, analog saturation and room-heavy drum sounds.

Stoner rock is a heavy, riff‑centric style that blends the weight and doom of early heavy metal with the groove and expansive jams of late‑60s/70s psychedelic and acid rock. It is marked by fuzz‑drenched, down‑tuned guitars, thick bass tones, and relaxed but powerful mid‑tempo grooves. Songs often emphasize hypnotic, repetitive riffs; extended instrumental passages; and a warm, vintage analog sound. Vocals tend to be laid‑back or gritty rather than operatic, and lyrical themes commonly explore the desert, space, altered states, mythology, and countercultural imagery. The overall vibe is earthy and immersive—equal parts head‑nodding groove, psychedelic haze, and Sabbath‑born heaviness.

Alternative is an umbrella term for non-mainstream popular music that grew out of independent and college-radio scenes. It emphasizes artistic autonomy, eclectic influences, and a willingness to subvert commercial formulas. Sonically, alternative often blends the raw immediacy of punk with the mood and texture of post-punk and new wave, adding elements from folk, noise, garage, and experimental rock. While guitars, bass, and drums are typical, production ranges from lo-fi to stadium-ready, and lyrics tend toward introspection, social critique, or surreal storytelling. Over time, “alternative” became both a cultural stance and a market category, spawning numerous substyles (alternative rock, alternative hip hop, alternative pop, etc.) and moving from underground circuits to mainstream prominence in the 1990s.