Ethan Helm (@ethanusa1): "Building on the Rule of 3rds and 7ths for colorful, interconnected harmonies:"

Make money doing the work you believe in

Ethan Helm Apr 30

@ethanusa1

Building on the Rule of 3rds and 7ths for colorful, interconnected harmonies:

Ethan Helm

The Rule of 5ths and 9ths

Apr 30

at

2:20 PM

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