Q: How do I combine songs from the same album

My Macintosh  iTunes' library was some how corrupted.  I now have many albums that are the same album and yet each some but not all of the songs on the album.  For example, and there are many, Isaac Hayes' album "Hot Buttered Soul"  has six songs.  In my iTunes there are six different albums with the correct album art and a different song in each.  I have copied and pasted the album name into the "Get Info" dialogue box, but that has not combined the albums.  How do I combine the songs into one album?