For some reason (don't ask) many years ago I created an iTunes accounts through my work email and another through my home email. My job is at risk, and so I would like to take my 'work' apple id and transfer it into my 'home' id.
My issue is NOT accessing music from both accounts on one device: everything is authorized properly. My issue is that I'm going from TWO emails to ONE. If, in the future, I need to 'login' or 'authorize' the work email apple-id and forget the password, I won't be able to reset it as I won't have access to the 'work' email.
I tried the easy route: changing the 'work' email to the 'home' email. Apple wasn't having it: "there is already a user account with...."