(audio) Listen to the Master/Slave Lecture Al Turtle's Relationship Wisdom Posted on July 10, 2006 by Al TurtleFebruary 7, 2019 Here is the Master/Slave lecture given before a live audience. Download MP3, 29 minutes long. 8726KB. Yours for $5.00. The Master/Slave chart is here. The Master/Slave Essay is here.