Karaoke Popular Song Ranking of back number [2026]
Speaking of back number’s songs, their biggest appeal is said to be the poignancy they portray so vividly.
Many people relate to that bittersweet feeling and often sing their songs at karaoke.
Here, we’ll introduce a ranking of back number’s most popular tracks for karaoke.
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Back Number Karaoke Popular Songs Ranking [2026] (31–40)
The curtain risesback number36rank/position
It’s the theme song for the theatrical release “TOKYO MER: Mobile Emergency Room – Nankai Mission,” hitting theaters on August 1, 2025, and it feels very much like a classic back number track.
Compared to other songs, the average vocal range is lower and the difficulty is relatively mild, making it easier to take on; however, there are lots of switches between chest voice and falsetto in the chorus and the bridge.
I think that’s the key to really delivering this song! Basically, aim to resonate in the head and sing the whole piece gently.
That way, your chest voice won’t sound forced but will come out airy and open, making transitions to falsetto smoother.
Also, falsetto uses more breath than you might think, so take in plenty of air through your mouth wherever you can breathe.
The highest note, C5, appears in the bridge; if you imagine ringing the very top of your head and push a little more firmly there, it should land beautifully!
Letterback number37rank/position
Released on August 12, 2015, this medium-tempo ballad sincerely—if a bit shyly—expresses gratitude and love for parents living far away.
Produced by Takeshi Kobayashi and featured in an NTT Docomo commercial, it’s a warm classic that resonates across generations.
The overall vocal range is D3–C5, with the highest falsetto note appearing in the bridge; if you can get through that part, it should be a relatively easy song to sing overall.
High falsetto takes a lot of breath, so the key is to project your voice straight upward, as if aiming directly above your head.
one roomback number38rank/position
Back Number’s classic “one room” is a standout with its orthodox J-pop rock melody.
Since it was released fairly early in their career, it’s striking how young vocalist Iyori Shimizu’s voice sounds.
The most singable aspect of this song is, above all, its chord progression.
It uses chords frequently found in Japanese pop, making it easy to stay on pitch in every part.
On top of that, the vocal range is narrow, so even those who can’t hit high notes should be able to sing it without trouble.
After you closed the doorback number39rank/position
The back number classic “Kimi ga Doa wo Shimeta Ato,” where emotive lyrics truly shine.
Sung from a male perspective about the feelings right after a breakup, it’s characterized by its deeply heartrending lyrics.
Interestingly, despite its emotional words, the song features a surprisingly plain and understated vocal line.
Because of that, it’s easy to sing for those who struggle with ballad-like delivery that demands dramatic dynamics.
The vocal range is narrow and there are few long sustained notes, so even singers with lower or huskier voices should definitely give it a try.
Emeraldback number40rank/position
It’s the ending theme song for TBS’s Sunday drama “Dangerous Venus,” available for streaming since October 2020.
As of the time of writing, no CD release schedule has been announced.
It’s a medium-tempo rock song with a slightly wistful melody, and Shimizu Iyori’s vocals—skillfully making extensive use of falsetto—are arranged to further highlight the song’s appeal.
The way falsetto (head voice) is used offers many points that male vocalists in bands can learn from, so be sure to pay attention to the switching and differentiation of vocal registers as you listen.
Back Number Karaoke Popular Songs Ranking [2026] (41–50)
With love from a certain futureback number41rank/position
It’s a newly written song for the new MOS Burger brand commercial “Eating HAPPY,” airing from June 20, 2025.
When it comes to actually singing it, the vocal range is really wide! The overall range is A#2 to C#5, with the verses (A and B sections) centered on low notes and the chorus jumping up all at once.
The contrast between low and high is quite extreme, but the melody is clearly divided by section, so I think it’s relatively easy to practice.
If the high notes in the chorus feel “too high” in chest voice, it’s totally fine to approach them from falsetto! When I teach high notes, I sometimes have students master falsetto first and then move into chest voice.
Once you get used to it, chest voice will definitely become easier to produce, so sing with confidence!
Hold on a second with that dress.back number42rank/position
“Hold On a Second with That Dress,” included on the first album Ato no Matsuri.
From the title alone you can picture the story; its lyrics portray the complexities of a man’s heart that many men will likely relate to.
The upbeat rhythm feels comfortable for karaoke and the vocal range isn’t wide, but the melody is a bit fast, so be careful not to fall behind.
It’s a pop tune where bittersweet yet somewhat comical lyrics blend perfectly with a friendly melody—sure to be a hit especially at guys-only karaoke sessions.
