How to open the organ box in Silent Hill Townfall

To open the Silent Hill Townfall organ box you'll need to first get the electricity running, and then use the computer to read an email to find the information you need for the code. It's not a hard puzzle but it does involves a few varied steps that can be easy to forget are connected, and it takes little longer than you might expect as a result.Crucially, when I did this puzzle a second time in NG+ it wouldn't let me just use the combination, I had to go through the steps to get it.Silent Hill