Tanks. it was useful.
Though
"Luxury Morning"
Authors: Yi Qi, Dry Naidoo
Composer / Arranger: Air And Sea Shido
Song: Iraq Kawasaki, Dry Naidoo
the mp3 lists "Yi Qi, Dry Naidoo" , and in that site its shows song = vocals... I have not beat the game yet, hard as hell. And I did not see anyone with video on youtube showing credits .. sadly. :/