1. Yoasobi (Ikura / Lilas Ikuta) Vocal Range & Acoustic Profile Overview
Yoasobi (Ikura / Lilas Ikuta) (幾田りら (ikura)) possesses a documented vocal range spanning E3 (164.81 Hz) to A5 (880 Hz), covering a total of 2.42 octaves (29 semitones) across the 88-key grand piano spectrum. Classified within the Lyric Soprano vocal archetype in the J-Pop / Anime category, Yoasobi (Ikura / Lilas Ikuta)'s most resonant and sustainable tessitura (comfort zone) sits between G#3 and F#5.
From an acoustic and bio-mechanical perspective, Yoasobi (Ikura / Lilas Ikuta)'s signature style is defined by: Pure, translucent lyric soprano tone that navigates Ayase's breathless, piano-driven synth-pop arrangements without losing brightness. Key technical strengths include laser-precise pitch accuracy across rapid intervallic leaps and relentless vocaloid-inspired key modulations in the c5–g5 zone. When analyzing Yoasobi (Ikura / Lilas Ikuta)'s recordings on a real-time frequency spectrogram, their vocal timbre consistently exhibits characteristics associated with Crystal Clear Intonation, Breathless Key-Changes, Bright Forward Placement, Zero Pitch Drift.
2. Lower Register & Chest Voice Mechanics (E3 – G#3)
At the bottom of Yoasobi (Ikura / Lilas Ikuta)'s vocal range lies E3 (164.81 Hz), famously heard in "Tabun (たぶん)". Producing clear fundamental frequencies around 164.81 Hz requires relaxed thyroarytenoid (TA) muscle engagement—commonly known as chest voice or Modal Register (M1)—without pressing excess subglottic air pressure against the vocal folds.
In verse sections and intimate phrasing between E3 and G#3, Yoasobi (Ikura / Lilas Ikuta) maintains speech-level laryngeal stability. Singers attempting to match Yoasobi (Ikura / Lilas Ikuta)'s lower register in our interactive microphone PK test above should avoid artificially depressing the larynx (which creates a muffled "swallowed" tone) and instead focus on forward mask resonance and clean cord closure.
3. Passaggio, Mixed Voice & High Note Technique (Up to A5)
The upper boundary of Yoasobi (Ikura / Lilas Ikuta)'s catalog reaches A5 (880 Hz) in "Idol (アイドル) / Yoru ni Kakeru (A5 peak)", while their signature chorus belts and melodic peaks frequently target G5 in "Yoru ni Kakeru (夜に駆ける / Racing into the Night)" and G#5 in "Idol (アイドル - Oshi no Ko OP)". Navigating the bridge between G#3 and F#5 requires precise coordination through the primo and secondo passaggio.
Rather than pulling raw chest weight upward—which causes vocal strain and pitch flattening (-20 to -45 cents)—Yoasobi (Ikura / Lilas Ikuta) utilizes pharyngeal resonance and cricothyroid (CT) muscle tilt to thin the vocal fold mass as pitch ascends above F#5. This creates a balanced Mixed Voice quality that projects clearly over dense instrumentation while protecting vocal longevity.
4. How to Practice & Sing Yoasobi (Ikura / Lilas Ikuta)'s Songs Without Vocal Strain
If you want to sing Yoasobi (Ikura / Lilas Ikuta)'s repertoire—especially challenging tracks like "Yoru ni Kakeru (夜に駆ける / Racing into the Night)" (peaking at G5)—start by testing your own comfortable lowest and highest notes using the live WebAudio microphone comparison tool embedded on this page. Compare your personal MIDI span against Yoasobi (Ikura / Lilas Ikuta)'s comfort zone (G#3 to F#5) before attempting their extreme A5 peak.
When your natural voice type sits a minor third (3 semitones) or perfect fourth (5 semitones) below Yoasobi (Ikura / Lilas Ikuta)'s tessitura, professional vocal coaches recommend transposing the backing track down by -2 to -4 semitones during practice, or warming up with semi-occluded vocal tract (SOVT) lip trills and "ng" sirens gliding smoothly through F#5.
Frequently Asked Questions About Yoasobi (Ikura / Lilas Ikuta)'s Vocal Range
What is Yoasobi (Ikura / Lilas Ikuta)'s exact vocal range in octaves and notes?
Yoasobi (Ikura / Lilas Ikuta)'s vocal range spans 2.42 octaves (29 semitones), extending from a lowest note of E3 (164.81 Hz) to a highest note of A5 (880 Hz). Their primary comfort tessitura is G#3 to F#5.
What voice type is Yoasobi (Ikura / Lilas Ikuta)?
Yoasobi (Ikura / Lilas Ikuta) is classified as a Lyric Soprano. Their vocal profile is characterized by Crystal Clear Intonation, Breathless Key-Changes, Bright Forward Placement, making them one of the standout vocalists in J-Pop / Anime.
What is the highest note Yoasobi (Ikura / Lilas Ikuta) has ever sung?
Yoasobi (Ikura / Lilas Ikuta)'s highest documented note is A5 (880 Hz), heard in "Idol (アイドル) / Yoru ni Kakeru (A5 peak)". Among their mainstream hits, "Yoru ni Kakeru (夜に駆ける / Racing into the Night)" features a prominent peak note of G5 using Mixed Voice.
What is Yoasobi (Ikura / Lilas Ikuta)'s lowest note?
Yoasobi (Ikura / Lilas Ikuta)'s lowest recorded note is E3 (164.81 Hz), featured in "Tabun (たぶん)".
Can I test if my vocal range matches Yoasobi (Ikura / Lilas Ikuta)?
Yes! Click "Start Live PK Test vs Yoasobi (Ikura / Lilas Ikuta)" at the top of this page. Our browser-based WebAudio YIN pitch detector measures your lowest and highest notes in real time and calculates your exact percentage overlap with Yoasobi (Ikura / Lilas Ikuta)'s E3–A5 range.