Break the Rules by Charli XCX
Break the Rules by Charli XCX is estimated around A3 to B4, based on Charli XCX's typical range; song-level verification is pending. Measure your own range free to see how this song fits your voice.
Not sure whether A3 or B4 is in your voice? Hum a note and the note finder names it, or watch your pitch live with the pitch detector. Both are free and need no account.
Sing Break the Rules by Charli XCX 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.
Can I sing Break the Rules at karaoke?
Spanning 14 semitones, Break the Rules ranks among the top 95% widest in pop songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around A3 and the high note around B4. If either edge feels tense, try a different key.
Vocal style
A tenor would need to stretch for Break the Rules's peak note (B4), but it lands comfortably for an alto.
Karaoke difficulty
Break the Rules's 42/100 difficulty score largely comes down to that top-95%-widest span for pop.
Who it likely fits
A 2-semitones drop would put Break the Rules's peak note inside a typical tenor's comfortable range.
Who may struggle
HumMatch is still gathering enough data on this song for a deeper breakdown.
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Range Guide
Break the Rules is estimated around A3 to B4. 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.
Perfect For These Voice Types
Comfort Range
Best when your Vocal ID overlaps the main melody without strain.
Best For
Road Trip
Shared playlist pick
Practice
Build confidence
Karaoke Night
Room-friendly planning
Songs like Break the Rules 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.
Easier alternatives
If it feels high, try a lower key or start with an easier song from the same artist or genre.
Explore by voice: More songs for A3-B4 voicesSongs for alto voice
Song fit FAQ
HumMatch estimates Break the Rules at A3 to B4 (about 14 semitones), based on Charli XCX's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
Across the 2 Charli XCX songs with researched vocal ranges on HumMatch, the sung notes run from G#3 to C#5, about 17 semitones (roughly 1.4 octaves). See the full Charli XCX vocal range guide for voice type and the hardest songs.
Break the Rules scores 42/100 for karaoke difficulty on HumMatch, which rates as easier. Break the Rules's 42/100 difficulty score largely comes down to that top-95%-widest span for pop.
A tenor would need to stretch for Break the Rules's peak note (B4), but it lands comfortably for an alto.
A 2-semitones drop would put Break the Rules's peak note inside a typical tenor's comfortable range.
Break the Rules may work at karaoke if the original key sits comfortably for you and you know where the risky chorus or low phrases happen.
Hum 3 notes in HumMatch and compare your Vocal ID against Break the Rules, safer alternatives, and higher-risk picks.
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