Song fit

Can you sing Alone by Alan Walker?

Alone by Alan Walker runs A3 to D5 (17 semitones), rated moderate for karaoke. Hum for 30 seconds to see your exact percent fit before you step up.

All Alan Walker songsmoderate songsSuits mezzo-soprano and higher alto voices that can move from a low A3 verse up to a sustained D5 chorus hook.
A3D5
Low noteA3
High noteD5
Span17 stA3 – D5
Tempo97 BPM
KeyBb major88% confidence
BAR-READY73Solid bar pick: many in the room will know it, big singalong energy, flagged crowd-pleaser.
How this number is built

Crowd-pleaser flag: +4

Not yet measured: song length, instrumental dead air, lyric density, end-of-song key change. Bar-Ready will fold these in as they land.

Vocal character

bright airy pop · mezzo-soprano, soft verses, lifted drop choruses

Editorial estimate, used as a minor fine-tuning signal alongside your vocal range, not a substitute for hearing the song.

Test your voice: see your overlap in 10 seconds.

Vocal Notes

Singing Alone: what your voice is in for

Alone is an EDM topline built for clarity: a researched range of A3 to D5 whose verses move in cool, clipped phrases and whose hook rises to sustained, synth-doubled notes before the drop takes over. The deciding element in this Alan Walker track is precision against production: the vocal competes with a wall of processed sound, and only dead-center pitch with clean vowel targets survives the mix.

The technique is studio-grade accuracy: minimal slides, tight vibrato, and consistent tone across repeated hook phrases, the discipline of singing like a synthesizer without sounding like one. Altos and mezzos hold the entire range inside their bands; the page's key math offers an alto a two semitone drop to G# major and a mezzo a one semitone lift to B major, both fine-tuning rather than rescue. Sopranos lose the bottom three semitones of the verses. Tenors stretch five at the hook and generally take this down three or four semitones for live singing away from studio processing.

Practice cue: sing the hook into a tuner app, aiming for the needle to freeze on each sustained note. This genre is judged at pixel resolution; train at that resolution.

Written from this song's researched range on file, A3 to D5 (17 semitones), original key Bb major. July 2026.

Sing It

Sing Alone by Alan Walker With Lyrics

Sing along with the lyrics in the karaoke-style video below, then compare the song against your Vocal ID.

Embedded via YouTube. HumMatch does not publish lyrics directly.

What key is Alone in?

Original keyBb major88% confidence
Tempo97 BPM

HumMatch's audio analysis reads Alone in Bb major at 88% confidence and about 97 BPM, a confident read, so the original key shown here is a solid starting point for practice or transposition.

The Your Key card on this page shows whether Bb major fits your measured voice or exactly how far to shift it. Free, from a 30-second hum.

Best key for Alone by voice type

A general starting point by voice type, not your own measured range. Take the free vocal range test to see the exact key for your voice.

BassE major (-6)
BaritoneE major (-6)
TenorE major (-6)
AltoG# major (-2)
Mezzo-sopranoB major (+1)
SopranoD# major (+5)

Can I sing Alone at karaoke?

Alone covers 17 semitones top to bottom, good for a top-79% placement among pop songs HumMatch tracks.

Highest and lowest notes

The available song-fit estimate places the low note around A3 and the high note around D5. If either edge feels tense, try a different key.

Vocal style

An alto can sing Alone's peak (D5) without strain; a tenor would be stretching for it.

Karaoke difficulty

Alone is a more familiar karaoke pick than the typical pop song HumMatch tracks (scores 55/100 vs. a median of 50).

Who it likely fits

That top-79%-widest span for pop is a big part of why Alone scores 55/100 for karaoke difficulty.

Who may struggle

Running at 97 BPM in Bb major, Alone leans slower compared with a typical pop pick.

Did this song fit your voice?

Is this song data wrong? Suggest a fix.

Range Guide

Alone is estimated around A3 to D5. Compare that with your Vocal ID before choosing the original key. If your comfortable high note is below the song’s hardest section, try a lower key or one of the safer alternatives below.

A3D5

Perfect For These Voice Types

FIT

Suits mezzo-soprano and higher alto voices that can move from a low A3 verse up to a sustained D5 chorus hook.

Best when your Vocal ID overlaps the main melody without strain.

Best For

DRIVE

Road Trip

Upbeat singalong

PRACTICE

Practice

Build confidence

GROUP

Karaoke Night

Room-friendly planning

Songs like Alone you can sing

Range labels come from HumMatch’s researched catalog. Take the free vocal range test to see your % on every one of these.

Song fit FAQ

What vocal range do I need to sing Alone?

Alone spans roughly A3 to D5: about 17 semitones. Your safest move is to compare that against your own Vocal ID.

What is Alan Walker's vocal range?

Across the 5 Alan Walker songs with researched vocal ranges on HumMatch, the sung notes run from E3 to F#5, about 26 semitones (roughly 2.2 octaves). See the full Alan Walker vocal range guide for voice type and the hardest songs.

Is Alone hard to sing?

Alone scores 55/100 for karaoke difficulty on HumMatch, which rates as moderate. Alone is a more familiar karaoke pick than the typical pop song HumMatch tracks (scores 55/100 vs. a median of 50).

What is the vocal style of Alone?

An alto can sing Alone's peak (D5) without strain; a tenor would be stretching for it.

What voice type fits Alone?

That top-79%-widest span for pop is a big part of why Alone scores 55/100 for karaoke difficulty.

Can I sing Alone at karaoke?

Alone may work at karaoke if the original key sits comfortably for you and you know where the risky chorus or low phrases happen.

How can I check if Alone fits my voice?

Hum 3 notes in HumMatch and compare your Vocal ID against Alone, safer alternatives, and higher-risk picks.

What key is Alone by Alan Walker in?

Alone by Alan Walker is in Bb major. HumMatch's audio analysis detects this key at 88% confidence, and that score is shown on the page so you know how solid the read is.

What is the BPM of Alone?

Alone runs at about 97 BPM, as measured by HumMatch's audio analysis.

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