Q: purchased cd but hasn't downloaded

Hi kshered,

Welcome to the Apple Support Communities! I understand that you purchased an album in iTunes and you are only able to see two of the songs in your iTunes Library. If the songs show as downloaded but aren’t showing in your iTunes Library, I suggest navigating to the purchased section of iTunes on your Windows computer and downloading the songs fresh. The steps on how to do this are located in the following article.

Download past purchases

http://support.apple.com/kb/HT2519

Download previous purchases on Mac or PC

Make sure your Mac or PC meets these system requirements:

• iTunes 10.3 or later
  You need iTunes 10.6 or later to download previously purchased movies and TV shows.
• iTunes account in a country where iTunes in the Cloud is available

iTunes Store

     1. Open iTunes and go to the iTunes Store.

     2. Click Purchased in the Quick Links section.

     3. Select the content type that you want to download (Music, Movies, TV Shows, Apps, or Books).

     4. Select Not in My Library to view purchased content that isn't on your computer.

     5. Find the item that you want to download. You can browse using the menu to the left. If you have more than 2,000 songs, you will see Recent Purchases instead of All Songs or Albums.

     6. Click the Download icon next to the item you want to download.
If an item is already in your library, the Download icon won't appear.

I hope this helps,   

-Joe