YOU SAID:
I am very humbled to be joining your band
INTO JAPANESE
私はあなたのバンドに加わることにとても謙虚です
BACK INTO ENGLISH
I am very humble to join your band
INTO JAPANESE
私はあなたのバンドに参加するのはとても謙虚です
BACK INTO ENGLISH
I am very humble to join your band
You should move to Japan!