[2025–2026] The Complete Tokai Summer Festival Guide: Enjoy a Celebration of Music and Emotion!

This festival is being held out of the organizer ADAM at’s desire to spread instrumental music further and to let more people know about Hamamatsu, the “city of instruments” that thrives on the musical instrument industry. An instrumental music festival is pretty rare, isn’t it? Why not take this opportunity to check it out?

The decisive Sekigahara Divas Battle! In Sekigahara, Gifu Prefecture, idols from all over Japan gather to deliver a torrent of performances. From morning till night, adorable performers keep singing and dancing—an unmissable day for idol fans. Even if you’re new to idols, if you love a festival atmosphere, you won’t want to miss this. It’s sure to be an event that will go down in the history of Japanese idols—no, in Japanese history itself. Be a witness to history!

This is a jazz festival held in Hida-Takayama, famous for its gassho-style houses. Jazz was originally created by Black musicians, but it has come to be enjoyed around the world and has evolved continually over many years. In much the same way, Hida-Takayama has become a place that attracts people from all over the globe and continues to evolve day by day. This event is imbued with the hope that, despite these changes, it will not lose what lies at its core.

The 8 Hours race being held at Suzuka Circuit in Mie Prefecture. The 8 Hours, or “8 Tai,” is an annual motorcycle race in which riders keep lapping the circuit for eight hours. A live event will be held during the Suzuka 8 Hours, with a fiery live show unfolding alongside the intense racing.