| yo-in (YouTube) | https://www.youtube.com/channel/UCS3qCtccLerpFZQswPHy76w |
| yo-in (Twitter) | https://twitter.com/yo_in_afterglow |
| 園山光博 (Sax) | https://sonoyama.simdif.com/ |
| 林仁 (Guitar) | http://www.ne.jp/asahi/hayashi/music/ |
| 渡邉建 (bass) | http://comstags.com/kens_music/index.html |
| 中村敬治 (Guitar) | https://parade-co.jp/jizo/index.php |
| Atelier Z | http://www.atelierz.co.jp/ |
| atelier m | http://atelier-m-design.com/ |
| ヤマハミュージック横浜店 | https://www.yamahamusic.jp/shop/yokohama |
| First Avenue Studio 戸塚 | http://firstavenue-st.com/ |
| First Avenue Studio 国分寺 | http://first-avenue-studio.com/ |
| Studio JAMJAM | https://www.st-jamjam.com/ |
