The ab guide to music theory part 1 pt 1 eric taylor on amazoncom free shipping on qualifying offers provides an introduction to the basic elements in harmony and musical structure covers the basics of rhythm and tempo. Find helpful customer reviews and review ratings for the ab guide to music theory part 1 at amazoncom read honest and unbiased product reviews from our users. The purdue university online writing lab serves writers from around the world and the purdue university writing lab helps writers on purdues campus