Marcia Rose, the founding and guiding teacher of The Mountain Hermitage in Taos, New Mexico, talks about wise concentration, one of the seven factors of awakening: mindfulness, investigation, energy, joy, tranquility, concentration and equanimity.
Four weeks of short guided practices from Sean Fargo, one a day by email: a recording under ten minutes, a worksheet, and one question to carry. Free, and you can stop any time.