Phase 1 - Discovering the Ear
Phase 2 - Music and Language
Phase 3 - Harmonics and Cognition
Phase 4 - Marguerite Nering
Phase 4a - Marguerite Nering, part two
Phase 5 - a Little Learning
Phase 6 - a Sense of Sound
Phase 7 - Relatively Speaking
Phase 8 - Learning to Perceive
Phase 8a - Learning to Perceive, part two
Phase 9 - Examining the Process
Phase 10 - Building Blocks
Phase 11 - Back to the Books
Phase 12 - Let's start learning it
Phase 13 - Finding the next step
Phase 14 - The first experiment
Phase 15 - Words and music