The Wii can with the "original" Wii Sing recognize, but that we recently acquired Wii Sing rock they simply ignored - only works if the original mics are built of Use.
The Pearl-support us then pointed out that an update of Wii station was necessary, but the youngest (4.3) was already installed.
Probably Nintendo has once again made sure that only they themselves can collect margins. Too bad, the devices make a good impression.