The effectiveness of learning of Christian Religious Education at school needs some media. Song, as a part of musical activity, is one of the media that is used by Christian Religious Education teachers to teach the Christian faith effectively. The aim of this article is to affirm the important role of the song as one of the learning media of Christian Religious Education at school. This Article is written in qualitative method with literature study approach and observation as its approach. This article explains the nature and the purpose of Christian Religious Education, music in church life, music in the history of thinking and practicing of Christian Religious Education, and the use of song as media in the learning of Christian Religious Education at school.