Indian singer and Hindustani classical vocalist Lakshmi Shankar discusses different styles of Hindustani classical music and music theory.

Psychedelic drugs are the topic covered in Allan Cohen's book, "Understanding Drug Use: An Adult's Guide to Drugs and the Young". Cohen said young people he counseled often asked, "What's my life really about?" If they were having trouble internally, is that why they were seeking something on the outside, like drugs and chemicals to enhance their lives, is what Cohen wondered.