Ken Hirai’s Most Popular Songs Ranking [2026]

RingHirai Ken22rank/position

Ken Hirai “Ring” MUSIC VIDEO

It’s the theme song for the NTV Wednesday drama “Psycho Doctor,” and Ken Hirai commented that he created it with the thought, “Maybe everyone is hurting in some way.

Rather than running away from those emotional wounds, it’s important to take your time and love them.” It’s a touching ballad that many people say has saved them.

The tempo is relaxed, making it easy to sing calmly, which is a nice point.

It may not be a very famous song, but the melody line is simple, so I think it’s easy to remember.

There’s a key change before the last chorus that raises the vocal range, so be careful with that part.

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Kubota Mami

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Things I like about youHirai Ken23rank/position

The Things I Like About You – Kenshi Hirai, Yoichi cover

A song that brightly and straightforwardly sings about loving your partner.

The lyrics are direct, and it’s a song that makes you think, “I want someone to feel this way about me.” The music video is bright and refreshing too, so I hope everyone enjoys both the video and the song when singing it at karaoke.

ParadiseHirai Ken24rank/position

Ken Hirai “Rakuen” Music Video

This is a high-difficulty song with multiple sections where it’s hard to sing without switching to falsetto.

Still, if you practice slowly step by step, I’m sure you’ll be able to sing it.

Glide through it smoothly and fill the karaoke room with a romantic vibe.

A Gift Without a StampHirai Ken25rank/position

Ken Hirai - 'A Gift Without a Stamp' (Music Video)

This work, originally crafted by Kazuo Zaitsu and released in 1977, is covered here with Ken Hirai’s warm vocals.

Its simple melody, which cherishes the warmth of the words, gently soothes the listener’s heart.

It was included on the album “Ken’s Bar III,” released in May 2014, and chosen as the theme song for the film “Tsukuroi Tatsu Hito,” which premiered in January 2015.

When you want to express gratitude to someone special or need background music for a slideshow that looks back on memories, selecting this song will fill the moment with gentle warmth.

sentimentalHirai Ken26rank/position

Ken Hirai “Sentimental” MUSIC VIDEO

Written and composed by Ken Hirai himself, this ballad captures the tenderness felt at the moment of parting and the poignant ache of a heart drifting away, and it was also used as the image song for the 25th Toyota Cup.

Because it is sung quietly throughout with only piano accompaniment, the delicacy of the vocals stands out.

It’s not a belting style, so I think it’s best to keep the resonance placed in the head consistently as you sing.

If you, like Ken Hirai, consciously lift your eyebrows firmly and aim a thin, straight-upward tone, it should make it easier even for those who struggle with falsetto.

Ken Hirai does this unconsciously too, so try singing while imitating the way he sings.

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I will fall in love with you.Hirai Ken27rank/position

Ken Hirai 'I Fall in Love with You' MUSIC VIDEO

This song portrays an earnest love in which two people care deeply for each other yet sense an impending farewell, fated by the limits of time.

Created by Ken Hirai and released in October 2009 as his 31st single, it was produced as the theme song for the film “I Give My First Love to You.” The lyrics convey devoted affection—wanting to take on the other person’s sorrow and pain—and a resolve to keep loving even when the future is uncertain, all delivered through a warm, embracing vocal that moves the heart.

This track is recommended for those who, despite being in love, had no choice but to part, or for those suffering under indelible feelings.

By touching a love so straightforward, the remaining pain may gradually soften into gentle memories.

Grotesque feat. Namie AmuroHirai Ken28rank/position

Ken Hirai - Grotesque feat. Namie Amuro (MUSIC VIDEO YouTube ver.)

This is a collaborative song by Ken Hirai and Namie Amuro that sharply depicts the contradictions and conflicts lurking within the human psyche.

Released in April 2014 as their 36th single, it serves as a slightly twisted anthem for everyone wrestling with life.

The music video, themed around a courtroom, also drew attention, and the song reached No.

4 on the Oricon Weekly Singles Chart.

Offering a chance to confront one’s inner self, this track carries deep meaning for those of us living in the age of social media.

If you’re singing it at karaoke, it’s recommended for moments when you and your friends want to lay your true feelings on the table.