Crazy (Patsy Cline) by Patsy Cline is played in the key of Bb at a advanced difficulty level, originally released in the 1960s. It uses 4 chords — Bb Gm Cm7 F — arranged in the I-vi-ii-V progression.
About the I-vi-ii-V progression
The I-vi-ii-V is a "circle progression" where each chord's root drops by a fourth. This creates one of the strongest harmonic movements in Western music. It's the backbone of doo-wop, jazz standards, and countless mid-century ballads.
Playing in the key of Bb
Bb major uses Bb, Eb, and F, which are all barre or partial chords. Songs recorded in Bb are usually played with a capo on the 3rd fret using G-major shapes.
Related songs
More songs in the key of Bb
More songs using the I-vi-ii-V progression
Learn to play Crazy (Patsy Cline) by Patsy Cline on guitar. It sits in the key of Bb and uses the I-vi-ii-V progression with the chords Bb Gm Cm7 F.