3.1 Choosing your source3.1.1 Traditional instruments3.1.2 Brand new instruments3.1.3 Existing vs. new3.1.4 Who should be the performer?3.1.5 Non-acoustic sources 64 Sidebar: Pay $ Now Or Pay $$$$ Later, by Storm Gloor3.1.6 Straight in3.1.7 Batteries of non-pitched instruments3.1.8 Focus is on musical instruments3.2 Preparing your source3.2.1 The range of your virtual instrument3.2.2 What is the range of a kitchen cupboard?3.2.3 Tuning issues3.2.4 Instruments can be more or less in tune3.2.5 Equal-tempered tuning is easiest3.3 Understanding your source3.3.1 Change in pressure3.3.2 The ear3.3.3 The speed of sound3.3.4 Applied knowledge3.4 Putting it all together