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The Circle of Keys
All Songs Composed and Performed by Mark Sandborn
©Copyright 2007

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Hand Positions
All Songs Composed and Performed by Mark Sandborn
©Copyright 2007
Release date May 2009

 

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© Copyright 2006 by Mark Sandborn
International Copyright Secured
Patent - US6930235B2
VCDM - Virtuoso Color Digital Music - is a Trademark of Mark Sandborn
The Virtuoso Music Methodology Series is a Trademark of Mark Sandborn

All rights reserved. Except as permitted under the United States Copyright Act, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without prior written permission from Mark Sandborn.  Some of the information and diagrams on this website are patented material.