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Vocal Range Breakdown
Critical Mass spans 52 semitones —
from C2
to E6
(4.3 octaves).
🟣 Very Hard — Professional range — advanced singers only.
B4
Frequently Asked Questions
What vocal range do I need to sing Critical Mass?
Critical Mass by Aerosmith requires a vocal range from
B2 to B4,
spanning 24 semitones
— about 2.0 octaves.
Is Critical Mass hard to sing?
Hard. Demanding range — best for experienced singers.
The song spans 24 semitones from B2 to B4.
This is one of the more demanding ranges in the karaoke catalog — practice the high notes before performing live.
Can I sing Critical Mass at karaoke?
What is the highest note in Critical Mass?
The highest note in Critical Mass by Aerosmith is
B4 (MIDI 71).
This is in the upper-mid range — reachable for tenors and mezzo-sopranos.
What is the lowest note in Critical Mass?
The lowest note is B2 (MIDI 47).
This is a comfortable low-mid range, accessible for most voice types.
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