Vocal range of Crazy by Patsy Cline
- Original key
- Bb
- Range
- F3 – Bb4
Crazy spans 1 octave and 5 semitones. In the original key it fits a tenor or alto voice without changes.
The best key for each voice type
Computed from the song's range and typical comfortable ranges. Capo positions use open chord shapes.
| Voice | Sing it in | Change | Guitar | Notes you'll sing |
|---|---|---|---|---|
| Bass | Bb | an octave down | Capo 1, A shapes | F2 – A#3 |
| Baritone | A | 1 semitone down | A shapes, no capo | E3 – A4 |
| Tenor | Bb | original key | Capo 1, A shapes | F3 – A#4 |
| Alto | Bb | original key | Capo 1, A shapes | F3 – A#4 |
| Mezzo-soprano | A | 11 semitones up | A shapes, no capo | E4 – A5 |
| Soprano | Bb | an octave up | Capo 1, A shapes | F4 – A#5 |
Voice types are a rough guide: your own range can sit higher or lower than your type.
Find the right key for your voice
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Questions about Crazy
What is the vocal range of Crazy?
Crazy by Patsy Cline goes from F3 to Bb4, a span of 1 octave and 5 semitones.
What key is Crazy in?
The original recording is in Bb.
What key should a man sing Crazy in?
Bass: Bb; Baritone: A; Tenor: Bb.
What key should a woman sing Crazy in?
Alto: Bb; Mezzo-soprano: A; Soprano: Bb.
Songs with a similar range
- Don't Know Why Norah Jones · F3–Bb4
- Free Fallin' Tom Petty · F3–A4
- Hotel California Eagles · E3–A#4
- ...Baby One More Time Britney Spears · F3–C5
- Blinding Lights The Weeknd · F3–C5
- Hallelujah Leonard Cohen · E3–A4
Sources: Musicnotes · Hooktheory · checked 2026-10-31 · how we measure