Sour Grapes by The Iguanas
Sour Grapes by The Iguanas is estimated around F#3 to F4, based on The Iguanas's typical range; song-level verification is pending. Measure your own range free to see how this song fits your voice.
Not sure whether F#3 or F4 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.
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We do not publish lyrics directly. Find a karaoke version on YouTube, then come back to compare the song against your Vocal ID.
Can I sing Sour Grapes at karaoke?
Sour Grapes covers 11 semitones top to bottom, good for a top-61% placement among Latin songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around F#3 and the high note around F4. If either edge feels tense, try a different key.
Vocal style
F4 is Sour Grapes's ceiling: out of a bass's comfort zone, but well within a baritone's.
Karaoke difficulty
That top-61%-widest span for Latin is a big part of why Sour Grapes scores 50/100 for karaoke difficulty.
Who it likely fits
Dropping 5 semitones would bring Sour Grapes's peak note inside a typical bass'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
Sour Grapes is estimated around F#3 to F4. 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 Sour Grapes 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 F3-F4 voicesSongs for alto voice
Song fit FAQ
HumMatch estimates Sour Grapes at F#3 to F4 (about 11 semitones), based on The Iguanas's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
Across the 1 The Iguanas song with researched vocal ranges on HumMatch, the sung notes run from F3 to F#4, about 13 semitones (roughly 1.1 octaves). See the full The Iguanas vocal range guide for voice type and the hardest songs.
Sour Grapes scores 50/100 for karaoke difficulty on HumMatch, which rates as easier. That top-61%-widest span for Latin is a big part of why Sour Grapes scores 50/100 for karaoke difficulty.
F4 is Sour Grapes's ceiling: out of a bass's comfort zone, but well within a baritone's.
Dropping 5 semitones would bring Sour Grapes's peak note inside a typical bass's comfortable range.
Sour Grapes 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 Sour Grapes, safer alternatives, and higher-risk picks.
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