2-3 Weeks. 45 Day Lowest Price - 100% Satisfaction Guarantee. Educator Version 2.0. Correlating software for the most complete music theory course ever! Available in three separate volumes or as a complete set, the software includes concise lessons with short exercises, ear-training activities and reviews. narration, animated examples and clickable elements for aural reinforcement. Includes a glossary of terms, symbols, pronunciations, and visual / aural examples.