Pam, sorry to hear about traveling bug, I know how frustrating it can be. I didn't get error 12 before nor after that one time, since I clean cache files and .bad saved files regularly, and all other recommended stuff, but expect more of it in future as family grows.
Aria, it seems that all instruments are challenging the same way guitar is, but as for nectar making and martial arts, you basically need 2 trips to China (or one very long) and one to France to be able to supermaster them. Still I love how all immortals can have 2 special skills now, one to supermax and one to have fun with:D
Anyway, my teen safely returned from second trip to China, and I'll see if she'll travel to France or Egypt.