add theme song

Author: kentcdodds

exercises/README.mdx

@@ -45,3 +45,10 @@ You will finish off with mocking modules. See when you really need to resort to
 This is an EpicWeb workshop, which means that all exercises consist of the problem and the solution. You will solve the former to arrive at the latter, using the same tools you already use to write your code. The workshop app will help you track your progress and analyze the solutions to the exercises at hand.
 
 There is a ginormous amount of material ahead of you. But don't fret—anything complex is ultimately made by the simple. Ready your mind, stretch your fingers, and let's go!
+
+🎵 Check out the workshop theme song! 🎶
+
+<VideoEmbed
+	title="Epic Web: Mocking Techniques in Vitest Theme Song"
+	url="https://www.youtube.com/embed/_6n9p2chwFA?list=PLV5CVI1eNcJieZkL_q7M48PwEpeNT-sL1&rel=0"
+/>