This episode actually showed a caring side of Souichi for his brother. I guess his guilty from making his own brother such a worthless individual from his music...ironically he had to get into his getup to get him back. Not sure if it helped in the end though.
"You're got to enjoy life, or else you'll end up wasting it."
"If wishes could be granted, if desires could be fulfilled, then I wouldn't wish or desire for anything. The things you're handed on a silver platter are never genuine, and never everlasting after all."