Nick Gravagne
Software Tools and Videos for Piano Technicians

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Note that, although the Add to Cart buttons will direct you to the PayPal transaction site where you may pay via PP if you have an account, you will also find a link where you can use your Credit Card in the usual way.

Once notified of your order by PayPal, we will send out an email to you with the AG Program download link and other instructions.

Action Geometry Program (AGP)

Documention for AGP can be found at: www.gravagne.com/AGP.doc

Current users of the AGP will receive full credit on their earlier purchase of the original version toward the purchase of the new and improved or upgraded program.

The Action Geometry Program is an extensive Excel file and workbook and works with Windows and only those Mac users who have add-on Windows capability, or have Mac Office with Excel (download AGP doc for more details). 

Select Your Applicable AGP Version Below





Key Leading Program $ 95.00

Go here to see a video of how it works: https://youtu.be/U2lh9kwPfMU

Go here to read the "what does it do?" Document: http://gravagne.com/NNKLP.doc

The Key Leads Program is an extensive Excel file and workbook and works with Windows and only those Mac users who have add-on Windows capability, or have Mac Office with Excel

Note: Your purchase of the Key Leading program will generate an email to us from PayPal. Once notified, we will send out an email to you with the Program download link and other instructions.

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