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Koshi Inaba’s Popular Songs Ranking [2026]
Koshi Inaba, who continues to be active both as a member of B’z and as a solo artist.
During his solo work, he also handles composition, guitar for recording, arrangement, and production, showcasing his wide-ranging talents.
We’ve compiled a ranking of some of his popular songs.
Koshi Inaba’s Most Popular Songs Ranking [2026] (1–10)
Stray HeartsInaba Hiroshi1rank/position
Koshi Inaba, also known as the vocalist of B’z, is a singer-songwriter whose powerful voice captivates many listeners.
His seventh digital-only single, “Stray Hearts,” was written as the theme song for the TV drama “Even If You Don’t Do It.” The lyrics, which portray the feelings of being unable to part despite knowing it’s a forbidden love, tighten the chest with anxiety about an ending that may come someday.
It’s a passionate rock tune distinguished by a rock sound that puts piano and strings at the forefront.
WonderlandInaba Hiroshi2rank/position
It was born from a kind of question Inaba had while watching a TV special he hosted that featured “hikikomori.” Seeing people around a hikikomori patient desperately trying to force them outside, he wondered, “Does that act really benefit either the person themselves or the other party?”
StarchaserInaba Hiroshi3rank/position
The Tokyo City Keiba Haneda Hai commercial leaves a strong impression with its stirring message.
The line, “If the nail that sticks out gets hammered down, then break through with the resolve to be hammered,” is truly empowering.
The background music features ‘Starchaser,’ a solo track by Koshi Inaba of B’z.
It was written specifically for this commercial and has been crafted into a song that stokes fighting spirit.
YELLOWInaba Hiroshi4rank/position
This is a downloadable single released by Koshi Inaba in 2016.
Written specifically as the theme song for KOSÉ’s “Sports Beauty” commercial, it’s a refreshing, fast-paced rock number.
Because the lyrics used in the commercial were too bright and not to Inaba’s preferred balance, they were changed to something almost the opposite.
A short movie was released simultaneously with the digital release, featuring edited footage from his past solo live performances.
SAIHATE HOTELInaba Hiroshi5rank/position
It’s a song with many mysterious metaphors that convey a unique atmosphere, but one thing is clear: it’s a love song that says when you fall in love, anxiety may grow, yet it makes you want to live.
Aside from the story itself, SATOKO appears as the drummer in the backing band; she’s also a member of the band FUZZY CONTROL, and she almost always serves as the drummer for Inaba’s solo shows.
According to SATOKO, Inaba’s performances are unusually long, so she joked that she never knows when she’ll be able to stop drumming.
SaturdayInaba Hiroshi6rank/position
This is a work released in 2014 under the solo name of Koshi Inaba, a top artist Japan is proud of from B’z.
It’s about a Saturday that feels incomplete—because the one you love isn’t by your side.
He pours out those honest, aching feelings with overwhelming vocal power.
while cryingInaba Hiroshi7rank/position
This is a song I want him to listen to after we’ve had a fight and made up.
I think it’s good once in a while for him to know what I (as his girlfriend) was feeling during the argument—how hard it was, how sad I felt.
It’s a song that expresses the emotions of why I wanted to make up because of how things were, so I’d really like men to listen to it.