Myself (thumbing the Ready Rubbed into the bowl of a briar): Praxis is the process by which a theory, lesson, or skill is enacted or practiced. It is a practical and applied knowledge to one's actions. It has meaning in political, educational, and spiritual realms.
Prodnose: OK, so you've had a drumming lesson. Enough already!
Myself: I would prefer to classify it as behavioural intervention to enhance brain health and plasticity, but yes you're right.
Prodnose: If this page took a shower, this is what it would sing: http://www.codeorgan.com/?url=nickbrowne.coraider.com. Meditate on that load of old cobblers.