Entertainment · Music · 4 hrs ago
flumpool guitarist says songwriting dispute involved a misunderstanding
flumpool guitarist Kazuki Sakai addressed a songwriting dispute in a statement on X on October 20.
Pianist and composer Fuminori Oura says he created music for projects at Sakai’s request over about eight years, but his name was not credited as composer.
Oura is seeking damages in a lawsuit against Sakai over music used in a 2025 television drama.
Sakai said there were misunderstandings during the production process, but did not give details.
The case is still being heard in court, so Sakai said he could not discuss the specific facts publicly.
He apologized to people involved and to fans for causing concern.
Sakai said he would work with his lawyer toward a resolution as the legal case continues.
flumpool guitarist Kazuki Sakai said a songwriting dispute involved a misunderstanding between both sides during the production process.
Sakai said a court case is ongoing and that he cannot discuss specific details or facts at this time.
He apologized to people involved and fans for the concern caused by reports about the dispute.
Composer Shiki Oura alleges that music he wrote was released under Sakai’s name without proper composer credit.
Oura has filed a damages lawsuit against Sakai over the credit for a drama track.
- Who
- flumpool guitarist Kazuki Sakai and composer-pianist Shiki Oura.
- What
- Sakai said both sides misunderstood each other during music production; Oura alleges his work was released without proper credit and has sued Sakai for damages.
- When
- Sakai issued his statement on October 20, 2026; the reports say the court case is ongoing.
- Where
- Sakai posted his statement on his official X account. The disputed track was used in a TBS drama.
- Why
- Oura says he composed the track but was not properly credited; Sakai says a misunderstanding arose during production.
Shiki Oura
Kazuki Sakai
Composer credit
Shiki Oura
Oura says he composed music released under Sakai’s name and that his composer credit was not properly included.
Kazuki Sakai
Sakai says there was a misunderstanding between both sides during the production process and has not discussed further details because the case is ongoing.
Oura says his first job with Sakai was making music for FNS 27-Hour Television and that he delivered just under 10 tracks.
The drama Toigawa no Kaji used the track “Koe ni Naranai Omoi,” whose composer credit Oura disputes.
Sakai posted a statement saying both sides had misunderstood each other during production and that the court case was continuing.
- Statement date
- October 20, 2026
- Band
- flumpool
- Guitarist
- Kazuki Sakai
- Plaintiff and composer
- Shiki Oura
- Disputed track
- Koe ni Naranai Omoi
- First reported job
- FNS 27-Hour Television, September 2017
3 sources
What people are saying
制作過程において双方に誤解が生じたことは事実です
私はおよそ8年間、flumpool（フランプール）のギタリスト阪井一生氏の依頼でドラマの劇中音楽を制作してきました。しかし、自分が作曲した楽曲が阪井氏の名前で発表され、作曲者としてのクレジットが掲載されなかったんです