Easy-to-sing recommended songs by back number [for karaoke song selection]
With their uniquely striking perspectives, Iyori-san’s distinctive style, universal messages, and love songs—back number is a band that has released countless masterpieces that resonate with people’s hearts.
Many of you probably sing their songs at karaoke, or are thinking about giving them a try.
In this article, we’ll introduce selections from their catalog that are relatively easy, as well as songs that are approachable for singers of any gender.
Be sure to focus on the narrower vocal range and familiar melodies, and pick a song you can sing comfortably and enjoy.
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Singable Recommended Songs by back number [For Karaoke Song Selection] (21–30)
loveback number

The 4th single “Koi,” which was featured as opening and ending themes on music programs like “Music-ru TV” and “JAPAN COUNTDOWN.” Its vivid depiction of scenes that capture a page of youth—something almost everyone experienced during their school days—is outstanding, isn’t it? The friendly, easy-to-remember melody doesn’t have large leaps in pitch, and the tempo is relaxed, so it should be comfortable to sing at karaoke.
If you focus on the bouncy beat while singing, you’ll get closer to the original vibe—so definitely give it a try.
thenback number

The hidden gem “then” by back number.
These days, back number tends to focus on warm, ballad-centric songs, but at the time this track was released, their sound was put together with a louder, rock-oriented taste.
This song is no exception, finished with a somewhat rough-edged feel.
With a rougher arrangement, the vocalist’s timbre becomes important; at the same time, since this style can more easily disguise imperfections, there’s no need to match pitch with extreme precision.
If anything, prioritizing the vibe and weaving in effective shouts will likely make it sound better.
Happy Endingback number

The 16th single “Happy End,” chosen as the theme song for the film “My Tomorrow, Your Yesterday,” features lyrics brimming with the bittersweet emotion that could be called back number’s true essence, likely resonating deeply with many listeners.
While the key is high, the vocal range is narrow, so if you set a key that suits you at karaoke, you can sing it comfortably.
However, since a high falsetto appears toward the end, be sure to account for that when setting the key and take care not to go off pitch.
Blue amberback number

This work gracefully depicts profound sorrow and loneliness, accompanied by a wistful, resonant melody.
It conveys the emotional turmoil between grief over losing a loved one and the vengeful feelings born from that loss, expressed through delicate vocals and a beautiful melody.
Created by back number, the song was produced as the theme for the Kansai Television/Fuji TV Monday 10 p.
m.
drama “From the Day You Took You Away,” which begins airing in April 2025.
Produced by Koichi Tsutaya, it is wrapped in gentle tones centered on piano and strings, and has also drawn words of empathy from lead actress Keiko Kitagawa.
It is a song that quietly stays close to the hearts of those who strive to move forward while carrying their sorrow.
Supporting Actress Syndromeback number

The back number classic “Supporting Actress Syndrome,” notable for its downer mood.
While back number has many heartwarming songs, this one is arranged with a somewhat downbeat, decadent atmosphere.
Even so, it’s also an easy song to sing.
There’s a single falsetto part in the chorus, but it’s not very long, so it’s by no means difficult.
However, since the song features many long notes, be sure to use diaphragmatic breathing so you can take in enough air between phrases.
Sundayback number

The 5th single “Sunday,” used as the theme song for the TV drama Soup Curry starring TEAM NACS—well-known for all being from Hokkaido—features an arrangement highlighting strings and lyrics that warm the heart by depicting the love found in everyday moments.
While the melody generally stays within a narrow range, be mindful of the leaps in pitch in the chorus, where falsetto comes into play.
With its friendly, accessible melody, it’s a song that feels great to sing at karaoke and offers healing through its emotional message.
Mr. Perfectback number

Back Number’s classic “Mr.
Perfect” is striking for its nostalgic vibe.
Although it was released in 2019, the melody evokes the band’s early years.
The song as a whole is arranged with a somewhat relaxed rhythm.
Naturally, the vocal line also keeps a laid-back tempo, so there aren’t any drastic jumps in pitch.
The vocal range isn’t particularly wide for a back number song either, so even those who struggle with high notes should be able to sing it to some extent.
Consider adding it to your repertoire.






