This paper suggests a framework for re-thinking the relationships between power and knowledge in music education. Informed by Jacques Rancière's notion of equality it explores how a dialectic between knowledge/mastery and ignorance/equality effects a rupture in the canonical relationships between knowledge and authority. Further, and based on a commentary of Alain Badiou, the paper explores the sense in which the Rancièrian perspective induces an understanding of equality as both a condition and a productive process: as a condition ignorance becomes the radical root of the emergence of new knowledge; as a productive process it leads to the creation of a space where those who have been doomed to silence are able to appear. Following on from that, the paper explores how the supposition of equality might trigger the development of a "what if … ?" attitude, transforming the pedagogic encounter to continuous exploration with the teacher starting by presupposing that she does not know anything until she and her student(s) begin building together, thus bringing students' creative endeavors to the center of the music education encounter. This productive ignorance might have important consequences for how we think about notions of discipline and passionate engagement in music making, as well as music education's relationships to music history and culture, remaining faithful to the aporetic dimension of music. Contains notes.