Gacharic Spin

Hyperactive Japanese Slap-Bass Fusion, Pop-Metal & High-Energy Theatrical Rock

Biography

Formed in Tokyo in 2009 by bassist F Chopper KOGA (Michiko Koga) and drummer/vocalist Hana following the disbandment of their previous projects, Gacharic Spin quickly became one of the most eccentric, technically staggering, and entertaining live acts in Japanese rock. Built upon a foundation of hyper-slap basslines, driving drums, and theatrical stage antics (including the integration of live dancers), the band spent years cultivating an uncompromising DIY touring ethos across Japan, the United States, and Europe.

Over their decade-and-a-half-plus evolution, the group underwent key lineup shifts that sharpened their sound—welcoming virtuosic guitarist TOMO-ZO, keyboardist Oreo Rebona, and later expanding their vocal dynamism with Angelina 1/3 and yuri behind the kit (allowing Hana to step forward as a dual guitarist/vocalist). Known for spawning acclaimed side projects like the heavy metal outfit DOLL$BOXX (fronted by Fuki), Gacharic Spin continues to redefine genre boundaries, blending progressive math-rock riffs, dance-pop synth hooks, and blistering metal breakdowns.

Selected Discography

Studio Albums

Delicious (2013 | Universal Music Japan)
The explosive full-length studio debut capturing their early signature mix of slap bass, metallic shredding, and infectious pop hooks, featuring live staples like "Lock On!!" and "More Power".
MUSIC BATTLER (2015 | Victor Entertainment)
Major-label breakthrough LP highlighting dynamic instrumental interplay, frantic synthesizer arrangements, and technical anthems like "Don't Let Me Down".
Kakutei Shinkei (確実変動 -KAKUHEN-, 2016 | Victor Entertainment)
A heavier, riff-dense outing featuring "Shaki Shaki Shite!!" and complex rhythm section counterpoint.
G-litter (2018 | Victor Entertainment)
A vibrant, electronic-infused pop-rock experiment demonstrating the band's multi-layered vocal arrangements.
Gacharic Spin (2021 | Victor Entertainment)
A monumental self-titled reboot featuring the six-piece lineup; universally lauded for its intense progressive metal turns, heavy guitar interplay, and raw vulnerability on tracks like "MindSet" and "I wish I".
W (2023 | Nippon Crown)
A ferocious evolution blending heavy djent-style riffs, digital synths, and rapid-fire dual vocals, home to tracks like "Kachikachi Yama" and "Replica".
Feast (2024 | Nippon Crown)
A mini-album showcase demonstrating mature progressive songwriting, intricate polyrhythmic grooves, and high-velocity fretboard chops.

Key Side Projects

DOLL$BOXX – Dolls Apartment (2012) & high $pec (2017) – High-speed neoclassical melodic power metal collaboration with vocalist Fuki.

Instrumental Style & Virtuoso Dynamics

Gacharic Spin's musical signature is defined by relentless physical stamina, polyphonic density, and genre-hopping arrangements:

F Chopper KOGA's Signature Slap Bass: Widely regarded among Japan's premier bass virtuosos, KOGA anchors the music with aggressive, ultra-clean rotary slap, high-speed double-thumbing, popping chord extensions, and percussive dead-note grooves, predominantly utilizing custom Atelier Z signature basses.
TOMO-ZO's Technical Guitar Mastery: TOMO-ZO balances sugary, melodic pop motifs with furious speed runs—specializing in clean alternate picking, neo-classical sweeping arpeggios, tapped lead sequences, and punchy metal rhythms on customized ESP superstrats.
Dual-Guitar & Polyphonic Layering: With Hana expanding from drums into rhythm/lead guitar alongside TOMO-ZO, arrangements incorporate dense harmonized twin-guitar leads, counterpoint melodies, and heavy, low-tuned crunch riffs.
Hyperactive Rhythmic Engine: Songs frequently oscillate through odd time meters, sudden tempo modulations, techno/Eurobeat dance breaks, and brutal double-kick blast beats without losing mainstream melodic appeal.
Keyboard & Synth Coloration: Oreo Rebona provides thick electronic textures, acoustic piano ostinatos, and retro synthesizer leads that weave around the heavy guitar and bass assault.

Gacharic Spin – 17th Anniversary & GOGHOT Festival Updates

"17 Bouquet" Anniversary Tour, YouTube Offshots & Special Anniversary Livestream

🎥 GOGHOT Festival & Gacha-tto TV Releases

The GOGHOT Festival celebrations have officially kicked off! Exclusive behind-the-scenes offshot footage from last year's online festival is rolling out on the official YouTube channel, "Gacha-tto TV".

Offshot Uploads: Every Wednesday at 8:30 PM JST on YouTube
17th Anniversary Live Stream: October 8 – A special live broadcast featuring all Gacharic Spin members streaming together on YouTube to celebrate their official formation anniversary.