Guitar Hero 2 [Xbox 360] custom songs

Well, i have a problem…
I want to replace the guitar hero 2 songs with my own songs…
I follow some steps but i don’t know who to synchronize .chart/.mid files with the .ogg songs….
Does anyone know???
I would be very greteful if someone helps me Merry Christmas and a Happy New Year
Answer #1
http://www.scorehero.com/forum/viewforum.php?f=16
Answer #2
Yeap i’ve already checked this out but i still don’t understand how we sync the .mid/.chart files with .ogg