Himeko Katagiri

Extratone is an extreme offshoot of speedcore in which the kick drum is driven so fast (often 600–3,000+ BPM) that successive hits fuse into a continuous tone. Producers shape the kick itself into a pitched oscillator and then "play" melodies and riffs with it. The result is a hyper‑compressed, relentlessly intense wall of sound that blurs rhythm and pitch. Tracks frequently alternate between tonal extratone passages and brief breakdowns, noise bursts, or experimental interludes, emphasizing shock value, sound design virtuosity, and endurance.

Lolicore is an internet-native offshoot of breakcore and speedcore that collides ultra-fast, hyper-edited breakbeats with "kawaii" (cute) Japanese pop-culture aesthetics. Tracks typically feature frenetic Amen breaks, harsh distortion, sudden BPM swings, and dense sample collages of high-pitched vocals sourced from anime, denpa, or Vocaloid, often cut, timestretched, and repitched to comic or chaotic effect. The result is a deliberately maximalist, irreverent, and noisy sound that juxtaposes sweetness and sonic violence. The genre grew within netlabel and forum cultures, where DIY production, meme-driven artwork, and tongue-in-cheek titles were as central as the music itself. While musically rooted in breakcore’s editing ethos, lolicore emphasizes cute/otaku imagery, playful shock value, and fast, dance-adjacent rhythms that can veer into speedcore-level intensity.