Don't they look happy? That's because they all bought Wii Music, along with 49,996 others. Yup, you read that right: the Wii Music day one sales data from Japan is in, and according to Famitsu publisher Enterbrain, the magical figure is 50,000 units sold. How does that compare to the Japanese launches of other large first-party Wii games? Not that well, as it happens; hit the break to see for yourself.