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Vocal Range Breakdown
Illegal Smile spans 33 semitones —
from F2
to D5
(2.8 octaves).
🟣 Very Hard — Professional range — advanced singers only.
A♯4
Frequently Asked Questions
What vocal range do I need to sing Illegal Smile?
Illegal Smile by John Prine requires a vocal range from
B2 to A♯4,
spanning 23 semitones
— about 1.9 octaves.
Is Illegal Smile hard to sing?
Hard. Demanding range — best for experienced singers.
The song spans 23 semitones from B2 to A♯4.
This is one of the more demanding ranges in the karaoke catalog — practice the high notes before performing live.
Can I sing Illegal Smile at karaoke?
What is the highest note in Illegal Smile?
The highest note in Illegal Smile by John Prine is
A♯4 (MIDI 70).
This is in the upper-mid range — reachable for tenors and mezzo-sopranos.
What is the lowest note in Illegal Smile?
The lowest note is B2 (MIDI 47).
This is a comfortable low-mid range, accessible for most voice types.
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