Video:
15-minute meditation for anxiety--Yoga with Adriene
20-Minute Guided Meditation for Reducing Anxiety and Stress--Clear the Clutter to Calm Down
30 minutes de yoga pour débutant (en français)
Guided meditations in English y español & many other languages, UCLA Mindful Awareness Research Center
Om chanting that I like for concentration
Wellness Series, U of Chicago: Pilates, yoga, meditation