Our hosts are joined by a giant wooly mammoth that isn't extinct, the Edge invades all things delay, and Dr. Colin McAllister, or as he is known by his pseudonym, "Professor Guitar," joins us to talk about practicing and his new guitar course.

To check out Dr. McAllister's course: http://www.thegreatcourses.com/courses/learning-to-play-guitar-chords-scales-and-solos.html

Also visit his website for all the latest news and performances: http://colinmcallister.com