In this interview I talk with the great medicinal chemist Dr. Robert Oberlender, he is the inventor of the multi-billion dollar blockbuster drug vyvanse and a ten year veteran of the David E. Nichols laboratory responsible for the synthesis and evaluation of a number psychedelics and empathogens such DOsB, DOiB, MDAI, and many others.

Today we continue with a workshop that Terence McKenna led at the Esalen Institute in June of 1989. Although he begins with an exploration of ideas surrounding the use of sound during psychedelic experiences, he also tells…