[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 Tracks (111–120)
Synchrome (with suis from Yorushika)TK from RIN TO SHITE SIGURE
When you think of TK from Ling tosite sigure, he’s known for that ultra-distinctive high-tone voice you can recognize in an instant.
Released in April 2025, Synchrome is another new masterpiece where TK’s intense high notes explode, blending a driving sense of speed with both beauty and aggression.
Even though it’s a male-female duet featuring YORUSHIKA’s suis as a guest, it’s amazing that the male melody sits in practically the same range as the female’s.
Even singers who can hit relatively high notes will find this challenging—the melody leaps up and down, and if you mistime your breaths, you’ll quickly be unable to keep singing.
Start by practicing the parts little by little, and work on getting used to the song’s brisk tempo.
Blueberry Nightsmakaroni enpitsu
Blueberry Nights by the popular rock band Macaroni Enpitsu.
This song is tough to sing because of the high notes in the chorus.
The chorus tone has a slightly raspy quality, similar to Kazutoshi Sakurai from Mr.
Children, and it may take quite a bit of practice to capture that vibe.
Also, right before the final chorus there’s a part where the main melody drops an octave, so you’ll need low range as well.
Singing across such a wide range with just enough edge to avoid sounding hoarse seems pretty challenging until you get the hang of it.
force majeureVaundy
This track was released as a digital-only single on January 22, 2020, and it gives the impression of “Only Vaundy could sing this!” I think you can broadly divide the song into two parts: the calmer first half and the latter half where the high notes really shine.
The range is very wide too, from A#2 to C5.
In the rap section of the first half, that relaxed feel is key.
Sing it coolly, but make sure your words are clear so it doesn’t turn into a mumble.
For the high notes starting from the chorus in the second half, lift your facial muscles to get ready, then project your voice as if aiming far into the distance! Since the high notes keep coming, that burst of energy—sheer momentum—is crucial.
When you nail this part, it feels amazing for both the singer and the listener! Vaundy has many challenging songs, so they’re really rewarding to practice.
Definitely give it a try!
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.
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.
UnsizerONE OK ROCK
ONE OK ROCK boasts immense popularity as a modern rock band.
Their song “Answer is Near” is quite difficult to sing because of its fast tempo and the strong vocal projection it requires.
Like their signature tracks “The Beginning” and “Kanzen Kankaku Dreamer,” the high-energy, racing chorus seems to demand a lot of stamina.
The song also sits in a high key overall, so you’ll likely need solid practice to make it through without your voice giving out.
Be careful not to strain your throat and give it a try!
#2601Mr.Children
When it comes to Mr.Children, their orthodox J-pop sound is what usually stands out, but they also have some hardcore tracks.
Among those, the one I especially recommend as a particularly difficult song is “#2601.” It spans a very wide range from mid1 C-sharp to high A-sharp, and on top of that, most of the chorus sits on high A-sharp.
What’s more, it’s not sung in falsetto, but in full-voice shouts, so unless your throat is exceptionally strong, it will be hard to pull off.