We are (Strawhat version)

The same song but it was sung by the Straw Hat's seiyu, Miyumi Tanaka (Luffy), Kazuya Nakai (Zoro), Okamura Akemi (Nami), Yamaguchi Kappei (Usopp), Hirata Hiroaki (Sanji) and I only recognize they're voice ^_^;... So here's We are Straw Hat version.