Added a banner to the musical floppy drive build log

entries/projects/musical-floppy-drive-build-log.md

@@ -420,3 +420,5 @@ drives just spin back and forth. MrSolidSnake did a wonderful job at compiling a
 bunch of MIDI files that work’s well with floppy drives.
 
 I hope that this tutorial was helpful.
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/X0FeJPFKpQw" frameborder="0" allow="autoplay; encrypted-media" allowfullscreen></iframe>