April Music Festivals [2026]: A roundup of spring festivals, outdoor rock fests, and other music events
As spring approaches, many of you may start planning which music festivals to attend this year.
While narrowing down your options by comparing factors like the performing artists, the atmosphere of the venue, and ease of access, you’ll likely want to check out the most popular festivals.
In this article, we’ll introduce popular music festivals taking place in April.
There’s a wide variety of events with different vibes and genres, so we hope this helps you find one that catches your interest.
- April Rock Festival Calendar [2026]
- Spring Music Festival Schedule Overview [2026]
- List of Rock Festivals in May [2026]
- [GW] Music Festivals Held During Golden Week [2026] — List of Rock and Outdoor Festivals
- Music Festivals in May [2026]: Outdoor Festivals and Events Summary
- List of Rock Festivals Nationwide [2026]
- March Music Festivals [2026]: A roundup of music events such as spring festivals and outdoor rock festivals
- Tokyo Music Festivals [2026]: Outdoor Festivals and Events Summary
- June Music Festivals [2026] Outdoor Festivals & Events Summary
- March Rock Festival Calendar [2026]
- Complete Guide to Spring Festivals in the Kanto Region! Introducing Featured Artists and Venue Information [2026]
- Music festivals in eastern Japan held during Golden Week [2026]
- Spring Music Festival in Eastern Japan [2026]
Past events
Lalala Fes Vol. 1Saturday, 4/25, Yamaguchi Prefecture
| Schedule | Saturday, April 25, 2026 |
| place | Yanai City, Yamaguchi Prefecture |
| SNS |
NEXT Harmony FESSaturday, 4/25, Kagawa Prefecture
| Schedule | Saturday, April 25, 2026 |
| place | Ion Mall Takamatsu, 1-1 Kozaihonmachi, Takamatsu City, Kagawa Prefecture |
| Website | https://nextharmony.jimdosite.com/ |
| SNS |
Idol First Bonito Festival Kochi Main EventSaturday, 4/25, Kochi Prefecture
This is the main Kochi edition of the twice-yearly idol festival “IDOL Katsuo Tataki Fest.” Organized by the Umami Components Research Society, it presents a unique concept that fuses Kochi’s bonito (katsuo) culture with the underground idol scene, and also features a sister event, the Osaka touring edition “Rokurou Osaka Touring Tataki Fest.” The venue is BAY5SQUARE on Sambashi-dori in Kochi City. It’s a day bringing together a diverse lineup of idols such as lonlium, Narukami, and Cosmoslay, scheduled for April 2026.
| Schedule | Saturday, April 25, 2026 |
| place | BAY5SQUARE, 5-5-40 Sambashidori, Kochi City, Kochi Prefecture |
| Appearance | lonlium / Narukami / Cosmoslay / Waiting for the First Train Underground / NUANCE / CLANCROWN / Ushi03-USHIMITSU- / Kupipo / Himegoto Zettaichi / LØISLOID / cleomery |
| Website | https://livepocket.jp/e/7s27k |
| SNS |
TRIANGLESat 4/25–Sun 4/26, Fukuoka Prefecture
| Schedule | Saturday–Sunday, April 25–26, 2026 |
| place | Special stage within Jigyohama Beach, Seaside Momochi Seaside Park, Fukuoka City, Fukuoka Prefecture |
| Website | https://triangle-official.jp/ |
| SNS |
Gigolo rockApr 25 (Sat)–26 (Sun), Oita Prefecture
| Schedule | Saturday–Sunday, April 25–26, 2026 |
| place | Oita Sports Park, Oita City, Oita Prefecture |
| Website | https://jigorock.com/_2025/ |
| SNS |
Miyazaki International Street Music FestivalMiyazaki Prefecture, Sat 4/25–Sun 4/26
| Schedule | Saturday–Sunday, April 25–26, 2026 |
| place | Miyazaki Prefecture, Miyazaki City, around Tachibanadori Nishi (Miyazaki Art Center / Plaza in front of the Prefectural Government Disaster Prevention Building / Ichibangai / Shiki Fureai Mall) |
| Website | https://www.bunkahonpo.or.jp/street/ |
| SNS |
GIRLS GROOVE INNOVATIONApril 25 (Sat) – 26 (Sun), Okinawa Prefecture
| Schedule | Saturday–Sunday, April 25–26, 2026 |
| place | Chura SUN Beach, Toyosaki Seaside Park, 5-1 Toyosaki, Tomigusuku City, Okinawa Prefecture |
| Website | https://girlsgrooveinnovation.com/ |