freeCodeCamp/guide/english/certifications/javascript-algorithms-and-data-structures/basic-javascript/manipulating-complex-objects/index.md

---
title: Manipulating Complex Objects
---
## Manipulating Complex Objects

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Here’s the example:

```javascript
var myMusic = [
  {
    "artist": "Billy Joel",
    "title": "Piano Man",
    "release_year": 1973,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
    "gold": true
  }
  // Add record here
];
```
 Here’s a solution:
 After string `// Add record here` we add new album to the `myMusic`. You need to start from `,`. And you can just copy already created album:
 ```javascript
{
    "artist": "Billy Joel",
    "title": "Piano Man",
    "release_year": 1973,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
    "gold": true
  }
 ```
 
 and paste after `,`:
 
```javascript
  // Add record here
  ,
  {
    "artist": "Billy Joel",
    "title": "Piano Man",
    "release_year": 1973,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
    "gold": true
  }
];
```

Now, you can change values your album:

```javascript
  // Add record here
  ,
  {
    "artist": "Deep Purple",
    "title": "Smoke on the water",
    "release_year": 1976,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
    "gold": true
  }
];
```

 Here’s a full solution:
 
 ```javascript
var myMusic = [
  {
    "artist": "Billy Joel",
    "title": "Piano Man",
    "release_year": 1973,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
    "gold": true
  },
  // Add record here
  {
    "artist": "Deep Purple",
    "title": "Smoke on the water",
    "release_year": 1976,
    "formats": [ 
      "CD",
      "8T",
      "LP"
    ],
  }
];

```