anchor.diff:  == tl;dr
    
   [start=0]
  -. Watch https://video.cs50.net/2018/x/lectures/3 [Week 2's lecture].
  +. Watch https://video.cs50.net/2018/x/lectures/3[Week 2's lecture].
   . Make beautiful music. 
   . Submit your code.
   
  
positive.code: 
  == What to Do
  
  Implement link:music/music.html[Music].
  
  == How to Submit
  
  . Log into https://cs50.io/ [CS50 IDE] and open a terminal window, if not open already.
  . Ensure your workspace is up-to-date by executing:
  +
  [source]
  
negative.code: 
  Alright, here we go again!
  
  Log into https://cs50.io/[cs50.io] and execute the below in a terminal window.
  
  [source]
  ----
  