Black Friday Sale

From now until Cyber Monday, get “Guitar String Logic”, the 20 lesson guitar theory e-book, for only $10!

http://logicofmusic.com/products for info or go straight to the store at http://logicofmusic.com/store.

 

And sign up for the newsletter for more at http://logicofmusic.com/newsletter!

Happy Black Friday!

 

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