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It sounds like you need to be able to edit your song info in iTunes so you can group your albums correctly.
This article will help you do that:
iTunes 11 for Mac: Edit song and CD information
Change the name of the song, artist, or album
- Select the information you want to edit.
- Type the new information.
- Press Enter.
Edit song or CD information
Tip: If you’re changing the same information (for example, the genre) for multiple items, you can select all the items and change the information for them at the same time.
- Select the song or CD you want to edit, and choose File > Get Info (or press Command-I).
- Click Info and make your changes.
All the best,