A song themed around letters. A popular letter song.
Compared to the past, we write and receive letters far less often nowadays.
Still, letters have their own charm, and I think they’re a wonderful way to convey your feelings.
Precisely because of the times we live in, there may be many things that come across better in a letter.
This time, I’ll be introducing songs with the theme of “letters.”
There are many kinds of letters—thank-you notes, love letters, letters to your future self—so there are all sorts of “letter songs.”
Just hearing the word “letter” makes it feel like something filled with heartfelt emotions, doesn’t it?
Since there are letter songs for many different situations, I hope you’ll find a favorite.
- Popular love-letter songs that deliver your feelings. Timeless classics that touch the heart.
- [Tearjerker] Songs that make your heart tremble with tears & moving tracks with lyrics that touch the soul
- Masterpieces that sing of love. Recommended popular songs.
- [Song of Gratitude] Timeless classics and the latest tracks that convey heartfelt “thank you” to your seniors
- [Thank You] A classic song expressing gratitude to one’s parents. A number loved across generations.
- Tear-jerking inspirational songs: recommended masterpieces and popular tracks
- [For Women] A Song to Gift Your Dear Friend | A Curated Selection of Heart‑Touching Friendship Songs!
- [Bereavement Song] To you whom I can no longer meet... Tear-jerking songs about death
- A Must-See for Those in Their 20s: A Collection of Youthful Songs That Bring Back School Days
- [Songs with Great Lyrics] Masterpieces you’ll want to listen to while savoring the words that resonate with your heart
- Songs with strong messages. Classic J-Pop masterpieces and recommended popular tracks.
- Masterpieces with the theme of “tears.” A roundup of moving tracks that tug at the heartstrings.
- [J-Pop] A Collection of Unrequited Love Songs That Stay Close to Your Heart
Songs with a letter motif. Popular letter songs (21–30)
Luv LetterKawasaki Takaya
It might be a little embarrassing to put into words, but there’s a heartfelt urge to deliver all the love I can.
Many will be moved by this world like a love letter written in plain, unadorned words by an awkward protagonist.
It’s a warm number by Takaya Kawasaki that makes you realize that true happiness lies in the accumulation of small, everyday events and emotions.
This song is the opening track on the album “I believe in you,” released in March 2018, and it has been cherished by fans since his indie days.
The staging that includes a spoken line, as if reading a letter in the middle of the song, creates a vivid sense that someone is confessing their feelings right in front of you—it’s enough to make your heart skip a beat.
It’s the perfect song not only for proposals and weddings, but also for those moments when you want to once again express your gratitude to a special partner.
Close your eyesArai Yumi
In 1974, a letter from a high school girl was sent to a radio program asking for an original school song to be created.
In response to that request, Yuming composed the song.
It has become a beloved song of Nagasaki Prefectural Naru High School.
The lyrics express feelings meant to be conveyed to people who have left the island.
Love Letter: Always Longing to See Yousonā poketto
It was released in 2011 as Sonar Pocket’s eighth single.
The song was selected as the April ending theme for Nippon TV’s “Happy Music.” Its lyrics, in which a man directly expresses feelings like “I want to see you” and “I really love you,” are moving.
There’s a certain wistfulness to it that conveys the feeling of a man’s unrequited love.
It’s a classic that captures the honest feelings of thinking about someone important, and makes you feel that a woman who is cherished this much is truly fortunate.
Last Love Lettermoon drop
From an intro that bursts with the sweet tang of youth and sets your heart dancing, this is the quintessential popular number by moon drop.
Many listeners are sure to feel their chests tighten at the lyrics’ worldview, where the frustration of unrequited love and unspoken feelings intersect.
The track is included on their first full-length album, “Kono Tenohira ga Mada Kimi o Oboete Iru,” released in January 2022.
It was also used as a CM song for Honda Cars, broadcast across seven prefectures in the Chubu region, including Aichi and Mie, so plenty of people have likely heard its refreshing melody on TV.
This song sets indecisive feelings toward someone you love and a premonition of love’s end to an easygoing beat.
It’s perfect not only for students swaying with tender crushes, but also for anyone who wants to bask in bittersweet memories from the past.
Love Letters in the SandPat Boone
A song released in 1931.
In 1957, it was covered by American male singer Pat Boone and became a hit.
The lyrics are romantic and tinged with melancholy, expressing the sorrowful feeling of a message written in the sand to a loved one being washed away by the waves.
Love letterAMUGIRI
AMUGIRI, who is also active as a member of the YouTuber group Comdot, delivers a witty track released as his second digital single in May 2024—one that boldly reframes harsh criticism as a heartfelt letter.
He performed it at the Tokyo Dome event in August 2024, captivating the audience with confident rap.
The song is slated for inclusion on the album “I AM ～ kick the verse and complex ～,” scheduled for release in January 2026, and its powerful lyrics can be read as a declaration of intent from an artist.
Its positive stance—turning even criticism into fuel—will surely encourage those facing adversity.
It’s the perfect song to play when you want to tune out the noise around you, look straight ahead, and feel refreshed.
Love letterHey! Say! JUMP
This is a ballad that captures the frustration of being unable to take that first step in love, alongside the pure feelings you hold for someone.
Its structure—passing the vocals along over delicate piano and strings—seems to carefully trace the subtle shifts of a wavering heart.
Many listeners will likely feel a tightening in their chest at the image of someone entrusting their overflowing feelings to a letter, lacking the courage to speak directly.
It’s the coupling track included on the standard edition of the single “encore,” released in May 2025.
While the title track drew attention as a TV drama theme, this song quietly won fans over as a hidden gem.
It’s a piece that stays close on nights when you want to keep thinking of someone in silence.
For anyone experiencing a one-sided love and finding it hard to be honest, this is a work you should definitely hear.