Just Dance 2 -wbfs- -sd2e41- -ntsc- -wiigm-

That means you have a repack or a different scene release (e.g., from “iND” or “Darksoft”). It may still work, but it’s not the verified gold master.

The version specifically ensured that American audiences received the best possible performance from their hardware, avoiding the slowdown issues that sometimes plagued PAL ports during the 6th and 7th console generations. Just Dance 2 -WBFS- -SD2E41- -NTSC- -wiiGM-