The family urged anyone with further information to contact Police on 07 828 7560.
Police confirmed this afternoon a body was found on train tracks in the area of Great South Rd in Ngaruawahia and the death was being treated as unexplained.
His body was found not far from the marae on River Rd.
The 25-year-old father, described as Maori and of solid build, had failed to turn up for his ride home from the concert.
A resident posted on a Ngaruawahia community Facebook page that his body had been found by children this morning. They ran home to tell their whanau.
Davis' family declined to comment when contacted by the Herald.