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Invert Pitch (Down)
file back of reed

Raise Pitch (Down)
file tip of reed

EDHarmonica
Easy Diatonic
Easy 3rd
Dale King Do it!
Reggae Harmonica

ACDEF#G

Key A/F# only the F# is Sharp, C & G are standard key of C.

https://www.seydel1847.de/EDharmonica

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Paddy Richter Tuning
CDEGAB

B: CEA
D: DGB

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ED
Easy Diatonic

ACDEFG
CDEFGA

ABCDEG
CDEGAB

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Richter Extended tuning

https://harp.andrewzajac.ca/GuitarStrings

https://harp.andrewzajac.ca/HowToReplaceReed

https://harp.andrewzajac.ca/tools/ReedReplace

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Colours and their Sound and frequencies

https://altered-states.net/barry/newsletter346/colorchart.htm

http://www.madehow.com/Volume-3/Harmonica.html

https://www.harmonica.com/harmonica-reeds-go-flat/

https://www.libraryireland.com/IrishMusic/IV.php

Dorian and Aeolian

https://www.classicfm.com/discover-music/latest/guide-to-musical-modes/

harmonica
Country Tuning

Major Seventh
Natural Minor
Paddy Richter

https://theharmonicacompany.com/harmonica-tunings-explained/?v=79cba1185463