To My Boyfriend by Ock Joo-hyun
To My Boyfriend by Ock Joo-hyun is estimated around C3 to A4, based on Ock Joo-hyun'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We do not publish lyrics directly.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 To My Boyfriend at karaoke?
To My Boyfriend covers 21 semitones top to bottom, good for a top-1% placement among K-pop songs HumMatch tracks.
Highest and lowest notes
The available song-fit estimate places the low note around C3 and the high note around A4. If either edge feels tense, try a different key.
Vocal style
To My Boyfriend's peak note (A4) sits above a typical baritone's comfort zone but inside a tenor's.
Karaoke difficulty
That top-1%-widest span for K-pop is a big part of why To My Boyfriend scores 55/100 for karaoke difficulty.
Who it likely fits
Dropping 4 semitones would bring To My Boyfriend's peak note inside a typical baritone's comfortable range.
Who may struggle
HumMatch is still gathering enough data on this song for a deeper breakdown.
Did this song fit your voice?
Did this song fit your voice?
Is this song data wrong? Suggest a fix.
Range Guide
To My Boyfriend is estimated around C3 to A4. 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
Vocal fit not yet researched -- check the range against your Vocal ID.
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
Try Transposing Lower
If the chorus or highest phrase feels tight, shift the song down a few semitones before performing. Most karaoke apps let you adjust pitch.
Songs like To My Boyfriend 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.
Song fit FAQ
HumMatch estimates To My Boyfriend at C3 to A4 (about 21 semitones), based on Ock Joo-hyun's typical performed range; song-level verification is pending. Compare it against your own Vocal ID and test the chorus first.
HumMatch has not verified a researched vocal range for Ock Joo-hyun yet. Estimated ranges across 8 songs suggest roughly C3 to A4 (roughly 1.8 octaves); treat that as an estimate until song-level research lands.
To My Boyfriend scores 55/100 for karaoke difficulty on HumMatch, which rates as moderate. That top-1%-widest span for K-pop is a big part of why To My Boyfriend scores 55/100 for karaoke difficulty.
To My Boyfriend's peak note (A4) sits above a typical baritone's comfort zone but inside a tenor's.
Dropping 4 semitones would bring To My Boyfriend's peak note inside a typical baritone's comfortable range.
To My Boyfriend 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 To My Boyfriend, safer alternatives, and higher-risk picks.
Find Every Song That Fits YOUR Voice
HumMatch analyzes your vocal range from a short hum, then shows songs that actually fit.
Search another song
Find more vocal range guides beyond To My Boyfriend.