Since iTunes updated their software, it looks like the Join CD Tracks feature was removed. I did a lot of searching online and saw that it worked for some people and didn’t work for others. I wanted to throw my hat in the ring and hopefully help out anyone that wasn’t able to find a solution:
– Open iTunes
There is a drop down menu in the top left corner of iTunes. You will select this, and then choose your Audio CD from the list.
Across the top, you will select Edit and then Select All. This will select all of your tracks that you would like to merge.
Now you should be able to click Options in the top right corner of iTunes, and then select Join CD Tracks.
You can now select Import CD, and choose MP3 as how you would like to import the CD.
There you have it. You should now have an MP3 with all of your CD’s tracks :)