Starbooked

Kobe-based musician Naohisa Sakaguchi (@artcatkobe), in Japan, posts short piano and violin performances under the ArtCat name. The channel has about 1,780 subscribers and a median of roughly 1,000 views per video, with near-daily uploads. Sponsored integrations are estimated at $150 to $250 per video.

Why brands book 坂口尚久

Kobe piano and violin duo reaches local audiences with family-friendly classical clips

  • Median of about 1,025 views per video across roughly 50 uploads in 90 days
  • Shorts make up 76 percent of uploads, with a median duration of 55 seconds
  • Zero sponsored videos in the sample, so a single integration would stand out
Best forlocal Kobe events and venuesmusic education and lesson promotion
Watch forSmall audience of about 1,780 subscribers; reach is modest and mostly Japanese-speaking.

Brand fit report

Content

Topics, IAB taxonomy
Music85%
Performing Arts15%
Formats
short performance clips, live stream recordings, event highlights
Tone
warm, melodic
Language
Japanese
On camera
Yes, talking head
Production
Phone, natural light
Typical length
under 60 seconds

Audience

Commercial intent20/100
Comments asking for links, prices or where to buy
Sentiment85/100
Estimated from titles, descriptions and engagement
Engagement0.7%
Likes and comments per view on recent videos
Audience asks aboutwhat pieces are performed and wherehow to book a live performancehow to join ArtCat piano and violin lessons
Age
10%18-24
20%25-34
25%35-44
45%45+
Gender
60%women
40%men
Countries
🇯🇵 Japan95%
LanguagesJapanese 100%

Commercial

0%of the last 50 videos were sponsored
None seenno sponsored videos in the last 50
Brands seen
None yet
Categories promoted
None yet
Affiliate links
No

No sponsorship disclosures found in the last 50 videos

Suitability GARM Brand Safety Floor + Suitability

Profanitylow
Adultlow
Drugslow
Violencelow
Politicslow

Family friendly
Recent titles cover classical and pop arrangements, a Chiikawa character clip and local festival performances with no concerning content.

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

PlatformFollowersMedian viewsUploads, 90d
YouTube1.8k1k50
X–––

Benchmark score: 80 / 100

Public rule, same for everyone. How it works.

Engagement Median views relative to followers50 / 50
Activity Uploads in the last 90 days30 / 30
Reach Followers on the main platform0 / 20

Recent videos

Last three uploads, latest today.

神戸を拠点に活動する演奏家・坂口尚久です。 ピアノ×バイオリンの《ArtCat》 ピアノ×オーボエの《ALBIREO》など、 ジャンルを越えたユニットで、地域と心をつなぐ音楽をお届けしています。 教育現場、福祉施設、地域イベントなど、幅広い場で演奏を展開中。 “音の美術館”をあなたの街へ。 ▼演奏のご依頼・お問い合わせはこちら artcatkobe@gmail.com 【ArtCat】 神戸市中央区にあるバイオリンとポップスピアノの教室 https://artcat-kobe.com ➡︎Twitter https://mobile.twitter.com/kobe_piano ➡︎Instagram ➡︎TikTok https://vt.tiktok.com/ZSeCJUfde/ 【ArtCat】 神戸市中央区にあるバイオリンとポップスピアノの教室 https://artcat-kobe.com
坂口尚久's own profile description on YouTube

Are you 坂口尚久? Claim or remove this profile.

About 坂口尚久

Naohisa Sakaguchi (@artcatkobe) is a musician based in Kobe, Japan, who performs in piano and violin and piano and oboe duos under the ArtCat and ALBIREO names. The YouTube channel posts short performance clips, often under a minute, along with live stream recordings and highlights from local events such as street performances and music festivals. His website describes ArtCat as a violin and pop piano school in Chuo-ku, Kobe, and the channel's description lists performances at schools, welfare facilities and community events, according to his website and channel profile.

The channel has about 1,780 subscribers and a median of roughly 1,000 views per video, with close to 50 uploads in the last 90 days. The audience is estimated to be mainly Japanese-speaking viewers in the Kobe and Kansai area, though this is an estimate from the content and not measured data. Fans who follow local classical and pop arrangements are the most likely viewers.

Brands working with small creators on local or cultural campaigns may find this channel a fit. Estimated sponsored integration rates are $150 to $250 per video, which works out to roughly $20 to $35 CPM against median views, compared with typical paid ad CPMs of $10 to $30.

Written from 坂口尚久's public YouTube profile, platform data and web mentions. Numbers updated 2026-10-19. 坂口尚久 can edit or remove this page at any time.

Questions about 坂口尚久

How much does Naohisa Sakaguchi charge for a sponsored video?

Based on the channel's median views of about 1,000 and its Shorts-heavy format, estimated sponsored integrations run $150 to $250 per video. Rates are estimates, not published prices, so confirm current terms directly with the creator.

What does Naohisa Sakaguchi post about on YouTube?

The channel posts short piano and violin performances, mostly under a minute, covering classical pieces and pop arrangements. It also shares highlights from local Kobe events and live stream recordings.

How do I contact Naohisa Sakaguchi for a brand deal?

Contact details unlock on Starbooked for $0.80. Boosted creators can be booked through Starbooked directly.

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