BBC Radio 1

Drone rock is a strand of experimental/psychedelic rock that foregrounds sustained tones, repetition, and gradual textural change over traditional song structures. It fuses the amplification and band format of rock with the long-form minimalism of drone and the heady atmospherics of psychedelia and space rock. Guitars (often in open tunings) are layered through distortion, feedback, and effects to create dense harmonic beds, while bass and drums may lock into hypnotic ostinatos or recede to leave a hovering, suspended feel. Where noise rock confronts and shoegaze blurs, drone rock stretches time: pieces can drift for many minutes, privileging timbre, overtones, and the psychoacoustic shimmer that emerges when sustained tones interact.

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.

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.