The Sorcerer’s Cypher: Fantastic Beats Mixtape Share on Facebook Share on Twitter Stream or download these remixes and instrumentals for the Harry Potter mixtape! Some stuff on OTI, like the digital library and the back catalog of podcasts, is only available to Overthinking It Members at the “Well Actually” and “Full Harvey” levels. Want to see it? Become a member or upgrade your membership now! You may also need to login.