CalYoga Video Learning Series.Join Master Instructor Byron Miller for the Calyoga Ashtanga Learning Series. These 2-3 minute video vignettes are "to the point", easy to use, and designed with today's active lifestyles in mind.Cal Yoga specializes in private and public instruction of Hatha Yoga, including variations of Ashtanga, Martial Arts, Pilates and Tai Chi, Qigong and Ballet.