Satoshi Igarashi

Satoshi Igarashi

Artist Information

• Name: Satoshi Igarashi (五十嵐聡)
• Birthday: August 14th
• Website: https://powerlesssounds.tumblr.com/
• X: https://x.com/muryokup
• YouTube: https://www.youtube.com/@powerlesssounds

Profile

Satoshi Igarashi is a Japanese composer affiliated to TOKYO LOGIC. Under his Muryoku-P (無力P) alias, he mainly produced rock and metal songs with VOCALOID, although he has also dabbled in techno pop and dubstep.

As a TOKYO LOGIC member, Satoshi has also produced music for anime and games, such as BAYONETTA 2 and ASTRAL CHAIN.

Trivia

None.

Aliases

• 無力P
• Powerless

BEMANI Songs

Song	Artist	Game	Genre	Composition	Arrangement
Requiem of Lament	Powerless feat. Shoohey	REFLEC BEAT 悠久のリフレシア	-	✓	✓
まっぷたツートンソウル	ヨフカシプロジェクト	pop'n music Jam&Fizz	-	-	✓
ALBIDA Powerless Mix	無力P	SOUND VOLTEX BOOTH	-	-	✓

Discography

Albums

• Odyssey (2016, with 柿チョコ)
• Revelation (2017, with 柿チョコ)
• Calamity Sinfonia (2017, with Imy)
• AVALON (2018)
• Raison d'etre (2019)
• Eschatology (2022)
• Resonance (2022)
• Oraculum (2023)
• Light Seeker (2025)

Singles

• Instrumental Works Vol.01 (2014)
• Lost Desire (2021)
• Isolation (2022)
• Nemesis (2022)
• Innocence (2024, with Sennzai)
• If (Remaster) (2024)
• Anemone "2024 Mix" (2024)