List of Rock Festivals in Eastern Japan [2026]

Muni Fest is a free outdoor rock event held under the slogan “Street performances for rock bands too!” Its appeal lies in the chance to casually enjoy high-quality indie rock bands that you rarely get to see outside of live houses. Be the first to witness the dawn of Japan’s music scene with your own eyes.

Sonicmania is an all-night event held the night before the main Summer Sonic each year as a pre-festival. However, its momentum has grown into something far beyond a mere pre-party. With a lineup that fuses rock and dance, it offers new experiences to each community.

Under the slogan “Creating a festival culture in Kōnosu,” more than 10 artist groups will gather. In addition to the main stage, this community co-creation festival of music and food features a free audition stage to support rising talent and about 30 Saitama gourmet vendors. Come experience the excitement born from zero-to-one challenges and discover Kōnosu’s new summer tradition!