From classical music to new age, hard rock, and pop, music has always played an important role in everyday life. Whether you're an intermediate musician or an aspiring music major, The Everything Essential Music Theory Book is a guide to mastering one of the most important tools for every musician: musical understanding. This compact, portable volume covers all the basics, including:

• The construction of chords and scales
• How to understand rhythm and time signatures
• How keys are identified and...