2000s Japanese Hits | Unforgettable Once You Hear Them! Exquisite Masterpieces
What kind of music were you listening to back then? The 2000s can be called a turning point for J-POP.
Theme songs from TV shows and dramas, the background music of school life, the songs we sang at karaoke—many people only need to hear them and a page of youth, etched together with the music, comes vividly back.
In this article, we present hit songs that defined the 2000s.
Shall we look back once more at the music of that special era, where nostalgia and novelty intertwined?
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- [2026 Hit Songs] Iconic Heisei-Era Classics and Nostalgic Japanese Music
- Hit J-Pop songs of 2008: recommended masterpieces and popular tracks
- Love songs that were hits in the 2000s. Classic and popular Japanese songs.
2000s Japanese Hit Songs | Unforgettable After One Listen! A Collection of Gem-Like Masterpieces (51–60)
FlowerORANGE RANGE

ORANGE RANGE is a rock band with a three-vocalist lineup, each with a different vocal range, captivating fans with their wide expressive palette.
Released in October 2004 as their eighth single, this song became a major hit as the theme for the film “Be with You.” It sings of a universal love directed not only toward a lover but also toward irreplaceable people like family and friends, with heartfelt lyrics that resonated with many.
Layers of strings over a wistful melody create an emotionally stirring ballad worthy of the catchphrase “the version of RANGE that makes you cry.” It topped the Oricon Weekly Chart for a total of four weeks and was also included on the acclaimed album “musiQ.” Listening to it while thinking of someone dear brings a gentle warmth, as if your heart is being softly embraced.
StoryAI

Singer-songwriter AI, born in Los Angeles, captivates audiences with a powerful voice honed through gospel.
The lead single from her May 2005 album “Mic-a-holic Ai” is known as an enduring masterpiece of a ballad that brought her name to widespread recognition.
Opening with beautiful piano tones, the song gently stays close to the listener’s heart and delivers a strong message that you are not alone.
Its outstanding lyrics spread into households through radio and other media, and in 2014 it drew renewed attention when it was selected as the Japanese ending theme for the film Big Hero 6.
It’s a defining song of the 2000s that helps us reaffirm our bonds with the people we cherish.
Close your eyesHirai Ken

Singer-songwriter Ken Hirai captivates listeners with his deep, resonant voice.
This work poignantly yet purely sings of love—bearing the sense of loss after losing a loved one, yet being able to meet them in your heart whenever you close your eyes.
The lingering traces of absence in everyday life intersect with warm memories of the past, evoking a tightness in the chest.
Released in April 2004 as his 20th single, the song was written as the theme for the film “Crying Out Love, in the Center of the World” and became a million-selling smash hit.
It is a gem of a ballad that stirs the heart—perfect for nights when you want to immerse yourself in memories of someone precious or quietly let the tears fall.
crescent moonayaka

Ayaka’s fourth single, released in September 2006.
A love ballad that captures the heartache of a long-distance relationship, it remains a beloved classic for many.
Even when apart, looking up at the same sky connects their hearts, and the resolve to keep moving forward despite loneliness deeply resonates with listeners.
It’s said the song reflects Ayaka’s own feelings when she moved to Tokyo, and that genuine emotion adds depth to her vocals.
It was featured in an au “LISMO” commercial and as a theme song for an NHK program, and it earned her the Best New Artist award at the 48th Japan Record Awards.
It’s a sentimental number you’ll want to listen to alone on nights when you can’t see someone dear to you.
I’ll be by your side.Aoyama Teruma ft. SoulJa

A single by Thelma Aoyama feat.
SoulJa, created as an answer song to hip-hop musician SoulJa’s single “Koko ni Iru yo feat.
Thelma Aoyama.” Released in January 2008, the song beautifully portrays the delicate emotions of a woman in a long-distance relationship—her loneliness from not being able to meet and the urge to run from her anxieties.
The arrangement layers Thelma Aoyama’s soulful vocals with SoulJa’s cool rap, making it a track you’ll want to sing with friends at karaoke.
It’s also known for being certified by Guinness World Records as the best-selling “Chaku-Uta Full” song in Japan at the time.
An emotional number that lets you fully relish Thelma Aoyama’s voice, now also a familiar presence on variety shows.


