RAG MusicFestival
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Spring Music Festival in Eastern Japan [2026]

There are all kinds of spring music festivals, and haven’t you ever regretted finding out about them only after they’ve ended?

Here, we’ve put together an overview of spring music festivals held in eastern Japan.

Be sure to check it out so you don’t miss any festivals that look fun.

Chiba Prefecture

POP YOURSFri 4/3 – Sun 4/5, Chiba Prefecture

A new hip-hop festival—the largest of its kind in Japan to energize pop culture—is being launched. While there are many genre-focused festivals for rock and EDM, POP YOURS centers on hip-hop of the 2020s. It brings together artists who will lead the next era, making it a compelling event where you can discover new talent. Experience live music in a spacious venue that offers the extraordinary atmosphere that makes festivals so enjoyable.

ScheduleFri, Apr 3–Sun, Apr 5, 2026
placeMakuhari Messe, Chiba City, Chiba Prefecture
Websitehttps://popyours.jp/
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Spring Fair of the Mountain of Cherry BlossomsSunday, April 5, Chiba Prefecture

ScheduleSunday, April 5, 2026
placeMobara Park, Mobara City, Chiba Prefecture
Websitehttp://mobarak-on.com/index.html

JAPAN JAMSat 5/2–Tue 5/5, Chiba Prefecture

This event had been held as JAPAN JAM BEACH until 2016, but due to facility constraints at Makuhari Seaside Park, the venue, we relocated starting in 2017. The new venue spans roughly 50 hectares, and the grounds where the stages are set up are adjacent to each other, allowing for a compact layout. What’s more, it has become a truly groundbreaking urban festival, just an 8-minute walk from the nearest station!

ScheduleSaturday, May 2, 2026 – Tuesday, May 5, 2026
placeSoga Sports Park, Chiba City, Chiba Prefecture
Websitehttp://japanjam.jp/
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KCON JAPANChiba Prefecture, Fri 5/8–Sun 5/10

KCON, a K-culture event first held in the United States in 2012. This world-class K-culture event, KCON, has now landed in Japan. On the day, you can fully enjoy Korean culture, including K-pop live performances, dramas, beauty, and food.

ScheduleFri, May 8–Sun, May 10, 2026
placeChiba Prefecture, Chiba City, Nakase 2-chome 1 / Makuhari Messe
Websitehttps://www.mnetplus.world/kcon/en/2026/japan/main
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BLUE SKY HEAVENMay 9 (Sat) – 10 (Sun), Chiba Prefecture

BLUE SKY HEAVEN, commonly known as Blueska, is one of Japan’s largest motorcycle events hosted by Harley-Davidson. Harley riders from all over the country gather for not only live music, but also motorcycle exhibits, test rides utilizing the circuit, and food vendors. There’s also a camping area, making it a comprehensive event that combines music, camping, and motorcycles.

ScheduleSat–Sun, May 9–10, 2026
placeChiba Prefecture, Chiba City, ZOZO Marine Stadium
Websitehttp://www.harley-davidson.co.jp/bsh/
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