Needle Case

Key: 0

Needle Case is a Polka in 2/4 (key: D). It uses 5 unique chords and is classified as Intermediate difficulty.

Click on chord to view chord fretboard diagrams for the chord.

Unique chords

5 chordsIntermediate

Functional harmony

Primary: VHarmony: Moderate5 functions🔎 Tune Analysis
Progression (degrees)
I → II → I → V7 → I → I → II → V → IV → I → I → IV → I → V → I → IV → V → V7 → I
Progression (chords)
D → Em → D → A7 → D → D → Em → A → G → D → D → G → D → A → D → G → A → A7 → D

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Based on chord similarity

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Simple Tune Structure - Parts/Chords

Parts and chords for session tune Needle Case. Use Key+/Key− to transpose.

Part A
D---|Em---|D---|A7--D--|
D---|Em---|A---|G--D--|
Part B
D---|G---|D---|A---|
D---|G---|A---|A7--D--|

Commonly used functional chords in trad major keys

This table shows the standard diatonic chords in a major key, commonly used as the harmonic foundation for traditional tunes.

IiiiiiIVVvi(V7)
ABmC#mDEF#mE7
CDmEmFGAmG7
DEmF#mGABmA7
EF#mG#mABC#mB7
FGmAmBbCDmC7
GAmBmCDEmD7