How to Sing Like Sojung: Style, Range & Technique
Learn how to sing like Ladies' Code's Sojung with a voice-safe plan for emotional phrasing, breath, and adaptable pop-ballad color—without imitating rasp.
Written by
AI Vocal Coaching Research Team
The Bloom Vocal editorial team combines vocal coaches, speech AI engineers, and music educators to publish practical, repeatable vocal training guidance grounded in real learner data.
- • Designed and operated a 9-week vocal curriculum
- • Analyzed learner outcomes across the 5-module exercise library
- • Maintains AI scoring models for pitch, breathing, and vibrato
To sing like Sojung, focus on expressive lyric phrasing, coordinated breath, and flexible vocal color—not on forcing a husky sound or matching an unverified range. Study how a performance shapes emotion while keeping its words and musical line clear.
Safety note: Do not create rasp by scraping or squeezing the throat, or push chest voice upward to imitate a recording. Practice at a comfortable volume and key; stop for pain or persistent hoarseness, and consult an ENT specialist if hoarseness lasts more than two weeks.
Sojung's Vocal Profile
No reliable range measurements are publicly available for Sojung, and no formal voice-type classification was identified in the sources reviewed here. Press descriptions such as “husky” or “soulful” are subjective listening impressions, not a diagnosis or instructions to add roughness to your own sound.
Two practical study themes are emotional intention and stylistic flexibility. In an interview with The Korea Herald, Sojung discussed deciding what emotion she wants to deliver before performing. In a FashionBiz interview, she said she had once focused on genres such as jazz or R&B, but now wanted to adapt across styles. These are useful cover goals; they do not define one fixed “Sojung voice.”
Start with the solo ballad “Better Than Me,” “Stay Here,” or Sojung's performance of Jung Joon-il's “Hug Me” on Sing Again. Then compare the full Ladies' Code recordings “The Rain,” “Galaxy,” and “Pretty Pretty.” Group recordings provide a listening context, not proof of an individual line assignment, so the activities below do not attribute verses to Sojung.
Sojung's Signature Songs — by Vocal Challenge
This is a practice ladder, not an objective ranking of song difficulty. Choose a short passage, transpose when needed, and prioritize repeatability over copying the original key.
| Song | Practice challenge | Build this first |
|---|---|---|
| “Better Than Me” | Follow a ballad phrase from its breath to release | Breath pacing and lyric intention |
| “Stay Here” | Track a phrase from verse into refrain | Connected vowels and steady pitch |
| “Hug Me” (Jung Joon-il cover) | Mark the lyric's emotional turn before singing | Text clarity and dynamic restraint |
| “Galaxy” (Ladies' Code) | Listen across the full group texture | Gentle onset and even airflow |
| “The Rain” (Ladies' Code) | Follow phrasing against the arrangement | Timing and consonant placement |
| “Pretty Pretty” (Ladies' Code) | Contrast pop energy with a ballad phrase | Flexible articulation |
Your destination is the passage that does not yet feel easy in your own voice, not whichever title seems most dramatic. Adjust key, volume, and phrase length instead of pushing.
The 3 Techniques Behind a Sojung-Inspired Practice
1. Give the lyric a specific intention
Before singing, say what changes emotionally from the first word to the last. Speak the line naturally, then sing it without increasing volume. The Korea Herald describes Sojung defining and empathizing with an emotion before voicing it. A common mistake is signaling feeling by pressing or darkening every note. Keep the sound easy and let word emphasis carry the message. Warm up with C-1 lip trills; the singing breathing guide covers breath coordination for sustained phrases.
2. Shape a phrase with breath and vowels
Plan a comfortable breath, let vowels carry sustained notes, and release the ending without clamping down. Consonants should clarify the lyric without breaking the line. Spending too much air at the start and squeezing the last word is a common error. Try a gentle trill, sing the phrase on a vowel, then restore the words. If your own phrase crosses a register transition, use C-3 (Mix Voice Foundation) or C-4 (Chest-to-Mix Transition) lightly; see the K-pop mix-voice song analysis.
3. Change color without imitating rasp
Vary intensity and vowel shape while keeping phonation comfortable. If a recording sounds husky, do not assume it comes from throat friction or copy it by adding pressure. First make a clean, centered sound; then test small dynamic changes with a free jaw and tongue. Treating “smoky” or “soulful” as a physical recipe is a common mistake. The K-pop idol vocal style analysis discusses vocal color as a performance choice.
How to Train Toward Sojung's Style
Step 1 — Choose a comfortable key
Sing a short phrase from “Better Than Me” gently in the recorded key. If you press, lift your chin, or lose pitch, transpose or shorten it. No reliable public measured range is available for Sojung, so use your own comfortable notes—not an unsourced chart—as the starting point.
Step 2 — Listen for the emotional arc
Listen once for melody, once for breath points, and once for the lyric's emotional turn. Mark a key word and where the phrase resolves. Try this with “Hug Me,” a Jung Joon-il song that Sojung performed on Sing Again. For group tracks, listen to the complete arrangement without guessing her lines.
Step 3 — Warm up with easy airflow
Use a few gentle lip trills or straw phonation in an easy pitch area. Semi-occluded vocal tract exercises can help explore steady phonation; stop if they feel uncomfortable. Sing the target phrase on an easy vowel, then restore the lyric. C-1 is a suitable light trill or onset exercise.
Step 4 — Shape vowels and dynamics
Speak the lyric in rhythm, sing it on a vowel, then restore the words at moderate volume. Keep consonants clear without darkening vowels to manufacture a husky tone. Add a small dynamic change only while pitch stays centered. Use C-3 or C-4 gently if your own phrase crosses a register transition.
Step 5 — Record and review one phrase
Record two short takes and compare one detail at a time: breath, pitch, words, register transition, rhythm, or expression. Use Bloom Vocal's AI feedback to choose one practice target, then retest after a short rest. If the second take feels tighter or fatigued, stop and reset key or volume.
Check Your Cover with AI
Upload a phrase from “Better Than Me,” “Stay Here,” or your chosen cover of “Hug Me.” Bloom Vocal's AI coaching reviews breath support, pitch accuracy, register transitions, rhythm stability, and expression on a 1–5 rubric, then suggests a focused exercise. If your own phrase loses pitch during a transition, try a light C-3 or C-4 drill before returning to the song. The target is a practical next step for your voice.
For more context, read the K-pop idol vocal style analysis. The K-pop beginner vocal guide covers breath and pitch fundamentals.
References
- FashionBiz. “인터뷰 : 레이디스코드 메인보컬 & 솔로가수 '이소정'.” Interview, April 16, 2021. https://fashionbiz.co.kr/article/183985
- Choi, Ji-won. “‘It took 10 years to be called singer Lee So-jung’.” The Korea Herald, February 24, 2022. https://www.koreaherald.com/article/2799573
- Soompi. “Ladies' Code's Sojung To Make Solo Debut.” May 2, 2017. https://www.soompi.com/article/979741wpp/ladies-codes-sojung-make-solo-debut
- Soompi. “Watch: Ladies' Code's Sojung Wants You To ‘Stay Here’ In Solo Comeback MV.” March 2018. https://www.soompi.com/article/1136867wpp/watch-ladies-codes-sojung-wants-you-stay-here-solo-comeback-mv
- Sadolin, C. Complete Vocal Technique. Shout Publishing, 2000.
- Titze, I. R. “Voice Training and Therapy With a Semi-Occluded Vocal Tract: Rationale and Scientific Underpinnings.” Journal of Speech, Language, and Hearing Research, 49(2), 448–459, 2006. https://doi.org/10.1044/1092-4388(2006/035)
- Titze, I. R., & Verdolini Abbott, K. Vocology: The Science and Practice of Voice Habilitation. National Center for Voice and Speech, 2012.
How to Sing Like Sojung in 5 Steps
A voice-safe five-step routine for studying Sojung's songs and practicing expressive phrasing, breath coordination, and flexible vocal color.
Total time: PT30M
- 1
Choose a comfortable key
Pick one short phrase from 'Better Than Me' and sing it gently in the recorded key. If it feels pressed or hard to repeat, transpose it or choose a smaller passage. No reliable public measured range is available for Sojung, so use your own comfortable notes as the reference.
- 2
Listen for the emotional arc
Listen once for melody, once for phrase boundaries, and once for the lyric's emotional turn. Mark where the phrase begins, where you can breathe, and which word carries its main intention. Keep this listening task separate from trying to copy Sojung's timbre.
- 3
Warm up with easy airflow
Use gentle lip trills or a straw-like semi-occluded vocal tract exercise in a comfortable pitch area. Let airflow stay even without taking a forced breath or tightening the abdomen. Stop if you feel scratchiness, pain, or increasing effort.
- 4
Shape vowels and dynamics
Speak the lyric in rhythm, sing it on an easy vowel, and then restore the words. Keep vowels connected and consonants clear; add a small dynamic rise only if pitch stays centered and the throat remains relaxed. Do not manufacture huskiness.
- 5
Record and review one phrase
Record two short takes and compare breath timing, pitch, word clarity, register transitions, rhythm, and expression. Use Bloom Vocal's AI feedback to select one area for a targeted drill, then record again after a brief rest instead of pushing through fatigue.
Frequently asked questions
Start free AI vocal coaching
Your first AI coaching analysis is free — try pitch, breathing, and range analysis instantly.
Start now