Take a look on the available and best sounding keys and scales for WoodPack Wooden Tongue Drum:
 

KEY OF E

E major/10 tongues:

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E minor/10 tongues:

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E Oriental/Phrygian major/10 tongues:

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KEY OF D

D minor/10 tongues:

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D minor/12 tongues:

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KEY OF C

C minor (natural)/10 tongues:

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C mixolydian/12 tongues:

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KEY OF B

B Integral (B minor)/10 tongues:

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B Kurd/10 tongues:

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KEY OF Bb

Bb major/10 tongues:

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CHORD PROGRESSIONS

Chord progression F# minor | Emajor/G# | A major | D major / 12 tongues:

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How to play Wooden Tongue Drum?