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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.

Singable recommended back number songs for karaoke selection (51–60)

Supporting Actress Syndrome 2back number

“Supporting Actress Syndrome 2,” included as the B-side of back number’s 14th single and signature song “Christmas Song,” is a sequel to “Supporting Actress Syndrome,” the B-side of their 7th single “Aoi Haru.” Even if you haven’t experienced it yourself, the storyline lyrics have a heart-wrenching poignancy that tightens your chest.

The catchy melody, set against an ensemble that creates an unsettling undertone, is addictive and sticks in your ears, making it easy to remember as a karaoke repertoire choice.

While the overall vocal range is narrow, there are many melodic leaps, so be careful not to miss the pitches.

With love from a certain futureback number

back number – With Love from a Certain Future [MOS Burger “Eating HAPPY” Commercial Song]
With love from a certain futureback number

This is a newly written song for Mos Burger’s new brand commercial “Eating HAPPY,” airing from June 20, 2025.

When it comes to actually singing this song, the range is very wide! The overall range spans A#2 to C#5, with the verses (A and B sections) centered on lower notes, and the chorus shoots way up! The jumps are 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 transition to chest voice! Once you get used to it, chest voice will definitely become easier to produce, so sing with confidence.

In conclusion

We introduced some easy-to-sing recommended songs by back number.

While some tracks include elements that can feel challenging—like advanced vocal techniques and complex rhythms—there are also songs you can master through repeated practice and getting used to them.

Instead of thinking “That sounds hard…” and hesitating, why not enjoy back number’s popular songs—loved across ages and genders—at karaoke?