Watch Listen Before You Sing full movie online Movies123. Watch Listen Before You Sing 123movies online for free. Listen Before You Sing 123Movies: An elementary school in the mountains is to be abolished due to the decreasing population. The PE teacher is assigned to form a choir and to win the national choir contest to solve the crisis. With limited resource and absolutely no music background, the PE teacher and a group of tone-deaf students start to prepare for the contest. The choir and their community eventually find their own voice and identity.