Masaya Ishiwaka (@ishiwaka), a Japanese composer and conductor based in Japan, posts his choral compositions and conducted performances on a channel with about 5,850 subscribers and a median of 417 views per video. He uploads roughly three times a week, mostly 2 to 5 minute long-form videos. Sponsored integrations are estimated at $20 to $35 per 1,000 median views, about $10 to $15 per video.
Japanese choral composer with a catalog of over 150 published scores
- About 5,850 subscribers and a median of 417 views per video
- Around 47 uploads in the last 90 days, roughly three per week
- Strongest recent video reached 8,151 views, a 2026 national-contest song performance
Brand fit report
Content
- Formats
- performance recordings, conducted choir videos, composer-led video introductions
- Tone
- earnest, warm
- Language
- Japanese
- On camera
- No, voiceover and b-roll
- Production
- Phone, natural light
- Typical length
- 2 to 5 minutes
Audience
Commercial
- Brands seen
- None yet
- Categories promoted
- choral sheet music, music publishing
- Affiliate links
- No
No sponsorship disclosures found in the last 50 videos; several videos link to Kawai Music publisher pages for sheet music, which is publisher referencing rather than a paid sponsorship.
Suitability GARM Brand Safety Floor + Suitability
Family friendly
Choral performances and composer introductions with no flagged content in the recent video titles.
We classify content, never people. No age, gender, ethnicity, religion or political views are inferred about the creator. Audience figures are estimates unless marked verified. Creators can correct anything on their profile.
Platforms
| Platform | Followers | Median views | Uploads, 90d |
|---|---|---|---|
| YouTube | 5.8k | 417 | 47 |
Benchmark score: 40 / 100
Public rule, same for everyone. How it works.
Recent videos
▶【混声三部】ふたつの幸せ【全国大会出場/自由曲】（大浜中学校合唱部） · 468 views
▶【混声】旅立つ日【旅】（フォンテソーレ） · 215 views
▶【女声】たゆまずに【女声合唱とピアノのための「こころの色」】（コール若葉/LaCouronne） · 317 viewsLast three uploads, latest 1 days ago.
ここは作曲家・石若雅弥の作品や石若指揮による演奏の動画を紹介するチャンネルです。 本人による編集動画をお楽しみください。 週3回（月・水・金曜）のペースで更新していきたいと思います。 石若雅弥（Ishiwaka Masaya) 1981年大阪生まれ。京都市立芸術大学作曲専攻卒。 声楽・合唱作品を中心に出版楽譜は150冊以上（カワイ出版等） Chor.Draftのプロデュースも行っている。 ※このチャンネルで演奏している石若雅弥作曲・編曲作品の楽譜に関するお問い合わせは、Chor.Draft@gmail.comまでお願いいたします。その際、使用団体、用途などもお伝えください。 ホームページはこちら https://masayaishiwaka.com/
About 石若雅弥のチャンネルstudio811
Masaya Ishiwaka (@ishiwaka) is a Japanese composer, arranger and conductor whose YouTube channel publishes performances of his choral works and the choirs he directs. According to his website, he was born in Osaka in 1981, studied composition at Kyoto City University of Arts, and has had more than 150 scores published, many by Kawai Music. The channel uploads roughly three times a week, typically 2 to 5 minute videos.
The audience is likely made up of Japanese choir singers, conductors, choral directors and music teachers, along with amateur choral fans. These are estimates based on the subject matter and video comments, not verified audience data. Viewer numbers are modest, with a median of 417 views per video.
Estimated sponsored rate is $20 to $35 per 1,000 median views, roughly $10 to $15 per video, which compares with typical paid-ad CPM of $10 to $30. Brands in choral supplies, sheet music and music education should consider booking him.
Written from 石若雅弥のチャンネルstudio811's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. 石若雅弥のチャンネルstudio811 can edit or remove this page at any time.
Questions about 石若雅弥のチャンネルstudio811
How much does Masaya Ishiwaka charge for a sponsored video?
Based on a median of 417 views and the $20 to $35 per 1,000 views rule for long-form channels, an estimated sponsored video costs about $10 to $15. This is an estimate, not a published rate. Contact details unlock on Starbooked for $0.80, and boosted creators can be booked through Starbooked.
What does Masaya Ishiwaka post about on YouTube?
The channel posts performances of his choral compositions and arrangements, plus conducted recordings of choirs he works with. Videos are short, usually 2 to 5 minutes, and many link to sheet music pages.
How do I contact Masaya Ishiwaka for a brand deal?
The channel lists a contact email for score inquiries, and his website has a contact form for commissions and collaborations. Full contact details unlock on Starbooked for $0.80, and boosted creators can be booked through Starbooked.
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