Learn the principles and techniques involved in playing the violin, viola, cello, double bass etc. Discover also the science involved in executing the various left hand and right hand techniques and the how the professionals do it. Learn to execute performances in a more natural and easy way. These secrets are simple and for musicians of all levels and ages, both for knowledge and practice and training of whatever stringed instrument. This could also serve as a violin, cello or viola study, tutorial or lesson for players and learners. This is a violin learning app, also a violin tutors guide, violin primer, also an introduction for violin beginners and any form of violin lessons