This is late, but for anyone searching I have rock band fully working on my Wii U vWii with all peripherals:
Installed d2x-v10-beta53-alt in slots 249, 250, and 251 in place of beta52 to allow for both USB ports on the back.
Next, I couldn't get this to work without a powered USB hub and a Y...
I used WD drive utility to disable sleep mode and this was the only option I was able to configure. I also updated the firmware of my drive and the problem still persists.
I am having the exact same issue and tried this without success. I am using a 1 TB WD My Passport Ultra with a Y cable for power and I'm on USB Loader GX v3.0 Rev. 162.2. If I unplug the drive and wait to plug it in when the countdown begins then it works fine, but it's a pain to do every time I...
@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