https://github.com/blackgear/NSOnline_Bot
I'm current work on this, auto pull the online shop information and order it.
You can login in with nintendo username and password, and get the that client_id initial_token_id. My code has figured them out totally.
@Xdqwerty, to answer your question, they're a fusion Brit-pop/J-pop/electronic band with a woman vocalist. Flamingo is hands down their best known song but they've got a ton of other really good songs