[Taking on a song with a wide vocal range] An S-class challenge track
Have you ever had a song you wanted to sing at karaoke, only to give up because the vocal range was too wide? Songs that span three octaves or feature virtuosic techniques rated at difficulty S are certainly challenging to master.
But if you understand their appeal and learn some vocal tips, you’ll find more joy in taking on the challenge.
In this article, we focus on popular songs known for their wide ranges and highlight key points to keep in mind when singing them at karaoke.
Use it as a guide to make your karaoke life even more fulfilling!
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[Challenging Songs with a Wide Vocal Range] S-Rank Difficulty Challenge Songs (31–40)
Heralding springyama
This song, Haru wo Tsugeru, is what suddenly brought yama into the spotlight.
Some of you might recognize the opening phrase.
That said, when you actually try singing it, it’s famous for being difficult because of the drastic ups and downs in pitch.
The rhythm is crucial and the tempo is on the faster side, so it’s best to learn it slowly, piece by piece, at first.
YouTube lets you change the playback speed, so I highly recommend using that! When you sing, try not to push on the high notes; if you stay relaxed, you’ll be able to make good use of your falsetto.
It might help to practice singing lightly, with a bouncy feel.
As you get a feel for the melody line, you’ll naturally figure out where to add accents and where to cut the sound.
Once you’re comfortable, try using a bit more breath; that should help you switch smoothly between chest voice and falsetto.
Fake Love and HighballLET ME KNOW
Right now, the band LET ME KNOW is gaining popularity in South Korea.
Their sound blends indie rock with new wave, and they’re known not only in their home country of Japan, but also in cities like South Korea, Taiwan, and Hong Kong.
Among their songs, the one I especially recommend is “False Love and Highball.” While the track features prominent mid-to-high registers, a solid falsetto also appears in the chorus.
The vocal range isn’t outrageously wide, but there are a lot of long sustained notes, so you might run out of breath during the falsetto parts.
Taking that into account, it’s definitely a challenging song.
broad daylightKing Gnu
King Gnu is one of the most popular bands in Japan right now.
Their accessible, stylish sound has won them a large following among younger generations.
Among their songs, when it comes to tracks with a wide vocal range, many people probably think of “Hakujitsu.” To be honest, rather than being an extremely wide-range piece, it’s more a song where the high notes are just a bit challenging.
That said, it’s guaranteed to hype up the room at karaoke, which is why we picked it this time.
If you focus on giving your falsetto some power, it will sound even better, so give it a try.
dizzyAdo
Ado’s new song “Kurakura.” Released in October 2023, it opens with a King Gnu-like vibe, while the chorus resembles Official HIGE DANDism’s “Mixed Nuts,” and the entire track is wrapped in a very dazzling atmosphere.
A challenging aspect of this song is the frequent use of low falsetto.
On top of that, the end of the chorus needs to be sung with a voice close to mixed voice, demanding the ability to switch rapidly between high range, falsetto, and chest voice.
Innocent BlueOmoinotake
Omoinotake’s song “Innocent Blue,” released on October 29, 2025.
Many of you may have first heard it through its use in the commercial for “Bourbon Alfort Mini Chocolate,” right? The song’s vocal range spans from mid1D to hiD, which is quite wide for a male vocal track.
While the pitch movement is very dramatic, the BPM itself is a relaxed 118.
However, because there are many sustained high notes, the difficulty can definitely be considered A–S tier.
[Challenging Songs with a Wide Vocal Range] S-Rank Difficulty Challenge Songs (41–50)
mischiefReiko
REIKO is an artist with roots in the Philippines.
She’s one of the artists energizing the still-under-the-radar R&B scene, earning high praise from both aficionados and general listeners with her pure, high-caliber R&B.
Among her tracks, the one I especially recommend is “Itazura.” Beyond its wide vocal range, it’s quite challenging because it repeatedly switches between chest voice and falsetto.
There’s also some mid-voice in the middle section, so if you naturally have a high voice or can belt in the higher register, definitely give it a try.
oni; demon; ogre; spirit (depending on context)Kizu
Among the works featured in this article, the song I most recommend as a top-tier challenge is Oni.
It’s the latest track by Kizu, a young visual-kei band known for their exceptional skill.
The song spans a very wide vocal range and packs in hard-rock vocal techniques to the fullest—mix voice, falsetto, and powerful low tones.
It also demands solid fundamental singing ability, so fewer than 0.5% of people would likely be able to pull it off flawlessly.