Can you sing Signed, Sealed, Delivered by Stevie Wonder?
Signed, Sealed, Delivered by Stevie Wonder is estimated around C3 to C5, based on Stevie Wonder's typical range; song-level verification is pending. Measure your own range free to see how this song fits your voice.
Estimated from the artist’s full range, which likely spans multiple singers or harmonies; the lead melody is probably narrower. Verification pending.
Practice before you pick it.
We do not publish lyrics directly.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 Signed, Sealed, Delivered at karaoke?
Signed, Sealed, Delivered covers 24 semitones top to bottom, good for a top-25% placement among soul songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around C3 and the high note around C5. If either edge feels tense, try a different key.
Vocal style
A tenor would need to stretch for Signed, Sealed, Delivered's peak note (C5), but it lands comfortably for an alto.
Karaoke difficulty
Signed, Sealed, Delivered is a less familiar karaoke pick than the typical soul song HumMatch tracks (scores 34/100 vs. a median of 35).
Who it likely fits
That top-25%-widest span for soul is a big part of why Signed, Sealed, Delivered scores 72/100 for karaoke difficulty.
Who may struggle
Dropping 3 semitones would bring Signed, Sealed, Delivered's peak note inside a typical tenor's comfortable range.
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Range Guide
Signed, Sealed, Delivered is estimated around C3 to C5. 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
Balanced voices may find this approachable.
Requires versatility, key awareness, and a comfortable upper edge.
Best For
Road Trip
Upbeat singalong
Practice
Build vocal strength
Karaoke Night
Room-friendly planning
Songs like Signed, Sealed, Delivered 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 too low, too high, or too exposed, compare it against your Vocal ID for safer picks.
Explore by voice: More songs for D#3-A#4 voicesSongs for tenor voice
Song fit FAQ
HumMatch estimates Signed, Sealed, Delivered at C3 to C5 (about 24 semitones), based on Stevie Wonder's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
Across the 1 Stevie Wonder song with researched vocal ranges on HumMatch, the sung notes run from E3 to B4, about 19 semitones (roughly 1.6 octaves). See the full Stevie Wonder vocal range guide for voice type and the hardest songs.
Signed, Sealed, Delivered scores 72/100 for karaoke difficulty on HumMatch, which rates as higher-risk. Signed, Sealed, Delivered is a less familiar karaoke pick than the typical soul song HumMatch tracks (scores 34/100 vs. a median of 35).
A tenor would need to stretch for Signed, Sealed, Delivered's peak note (C5), but it lands comfortably for an alto.
That top-25%-widest span for soul is a big part of why Signed, Sealed, Delivered scores 72/100 for karaoke difficulty.
Signed, Sealed, Delivered 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 Signed, Sealed, Delivered, safer alternatives, and higher-risk picks.
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