He doesn't talk about the specifics of his taiko practice, rather, his thoughtful entries are more on the philosophical and analytical side, pushing you to consider specific topics and apply them to taiko. For example, the most recent post focuses on toes, how they relate to taiko, balance, and our bodies.
As a dancer with a degree in cultural anthropology, I am very intrigued by movement theory and this blog presents plenty to think about. Wynn poses interesting questions, supports his ideas with references (that I then promptly decide to read), and chooses topics that directly relate to Japanese and Japanese American culture and performance.
If you're looking to further consider taiko as a performance art and a discipline, its role within our culture and its culture of origin, and gain a bit of a window into the world of Soh Daiko, I recommend Talking Taiko. Let me know what you think.
Here's Wynn Yamami's bio from the NYU website: