DIAL A NOTE &bull; DIAL HARMONY Change Keys in a hurry ! - has every note in Western Music Starts with the Circle of 5th.'s and includes The Modes, The Nashville # System, The Do-Re-Mi's, The Diatonic Scale Degrees, The Major and Minor Degrees of Scale + more in all 12 keys No pages to turn - No Music Reading is Necessary - this Dial has been described as equal to the 1st. five chapters of a university music theory textbook Gets deep in a hurry and takes you into an understandable presentation of Harmony, Chord Building, Music Theory and then some ... Full Color - 16 Point Recycled Cardstock - UV Plastic Coated all four sides - Brass grommet in the middle - No matter your vocal range, instrument played, skill level or musical style, what "Dial A Note  Dial Harmony" covers can impact the rest of your musical life.