Ok first of all Great Tool !! finally a way to get some custom songs that everyone can personalize.
the downfall is , i can't get it working
Specs:
4.0U
cIOS 13a
using Softchip ( HBC version )
750Blocks free on Wii
RB2 - on Disc
GH-Aerosmith ( on HDD , Extracted it from HDD with WBFS Manager...