I want to know that what actually happens if we don't place comma in 12th line of the code

I want to know that what actually happens if we don't place comma in 12th line of the code
0
#1

Tell us what’s happening:
i want to know that what actually happens if we don’t place comma in 12th line of the code

Your code so far

var myMusic = [
  {
    "artist": "Billy Joel",
    "title": "Piano Man",
    "release_year": 1973,
    "formats": [ 
      "CS", 
      "8T", 
      "LP" ],
    "gold": true
  },
 

 
    {
    "artist":"Omprakash",
     "title": "Sot Lgani Hai",
    "release_year": 2017,
    "formats" : [
      "IT",
      "8K",
      "OP"],
    "gold": true
  }
    
    
  
  
  
  // Add record here
];

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Link to the challenge:

#2

You get a syntax error. You simply have to put a comma in between items in an array.

#3

okk so it is the part of the syntax