[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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- I want to sing songs that use a lot of falsetto—tracks that are also good for practicing falsetto at karaoke.
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[Challenging Songs with a Wide Vocal Range] S-Rank Difficulty Challenge Songs (91–100)
Flavor Of LifeUtada Hikaru

Hikaru Utada is often mentioned as a female artist whose songs are difficult to sing.
Her “Flavor of Life” spans a wide range—from the low melody in the verse to the high notes in the chorus—making it a song that would likely draw attention if you can pull it off at karaoke.
In particular, the low part of this song goes down to D-sharp, which can feel challenging even for women who are good at singing low notes.
It’s also tricky to capture the distinctive groove with its slightly shifted rhythm.
Be mindful of lining up the start of each phrase precisely and nail it perfectly!
Otherworldly Mixed Grand Ball (feat. Ghost)Hoshino Gen

Hoshino Gen’s songs, known for hits like “Koi” and “Uchi de Odorou,” are often sung at karaoke.
His “Isekai Kongō Dai Butōkai (feat.
Obake)” is a rhythmically distinctive track chosen as the theme song for the film “GHOSTBOOK: Obake Zukan.” Because the rests throughout the song form complex patterns, it’s best to keep a steady beat with your hands or feet while singing.
Also, the unstable note choices in the C section present one of the song’s tricky parts.
If you can sing through that section smoothly, it’s sure to sound really cool!
[Challenging Songs with a Wide Vocal Range] S-Rank Difficulty Challenge Songs (101–110)
giftRADWIMPS

“Gift,” known as the theme song for NHK’s morning drama series “Anpan,” is a new track by RADWIMPS.
True to RADWIMPS’ style, it features a complex melodic development that incorporates a wide range of genres.
The overall vocal range is quite broad, and the chorus includes phrases that repeatedly switch between chest voice and falsetto.
Other sections also feature drastic pitch movement and key changes, making it highly challenging.
If you’re confident in your vocal abilities, be sure to check it out.
Like, dislikefantomu shiitaa

Phantom Theta is an idol group produced by the vocalist Ado.
While firmly retaining the essence of an idol group, some members boast high-level vocal skills, and the songs often have a distinctly dark worldbuilding, making them a remarkably distinctive group.
Their new song, “Suki, Kirai,” demands considerable vocal ability due to its wide range and the variety of vocal expressions it features.
It even includes a mellow vocal line reminiscent of Showa-era kayōkyoku, making it a track where there’s little room to bluff.
unravelTK from RIN TO SHITE SIGURE

Among TK from Ling tosite sigure’s songs, the masterpiece “unravel” is renowned for its exceptional difficulty.
Known as the theme song for the popular anime Tokyo Ghoul, many people may have discovered it through Ado’s cover as well.
The most challenging aspects are, above all, the vocal range and expressive breadth.
The range is extraordinarily wide, from mid2 A# to hihi A#, with repeated hi G notes in the chorus.
On top of that, the song demands a wide variety of vocal techniques, including phrases close to screaming and trembling lines that make heavy use of whisper voice.
Its level of difficulty is among the highest even within Japanese rock.
Chaos reaches its peakUNISON SQUARE GARDEN

UNISON SQUARE GARDEN is a band that enjoys immense popularity in the anisong scene.
If you like anime, you’ve probably heard their songs at least once.
Among their tracks, the one I especially recommend as a challenging piece is “Chaos ga Kiwamaru” (“Chaos Reaches Its Peak”).
This song covers a wide vocal range from mid1E to hiC, and, true to UNISON SQUARE GARDEN’s style, features intense pitch shifts up and down.
Except for the part at the end of the chorus, most of it is built around high tones, making it a demanding song in terms of vocal stamina.
early summerAdo

Ado’s new song “Early Summer” leaves a strong impression with its intense musicality.
From the title alone, you might imagine something refreshing that evokes summer, but this track is among the hardest in her catalog.
In addition to standard shouts, she also employs falsetto with a hard rock-style shout effect at key moments.
When using shouted falsetto, if your throat is closed you’ll end up coughing, so be sure to keep your throat properly open when practicing.



