Great News! MTH 4.1 ON YOUR MAC
Mapping Tonal Harmony Pro 4.1 is now available on the Mac App Store
“Thanks to all the great musicians that helped us create this version.”
To find out more visit:
Mapping Tonal Harmony Pro at mDecks.com
The optional workbooks are now also available
Workbooks
mDecks Music Blog 
Amazing app! Love it.
Great app to study tonal harmony.
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