Watch Sing, they all said, just sing (2019) : Full Movie Online Free Sing, they all said, just sing is the story of the CeleBRation choir which gives voice to participants who have a range of neurological conditions. The choir was launched in 2009 by the University of Auckland's Centre for Brain Research with the aim to investigate the benefits of choral singing for the neurological population of New Zealand. It was the first of its kind in the southern hemisphere and has received national and international interest.