This article is a report of our experience from implementing the project "Music Workshop -a music therapy approaching" implemented in two Schools of the Municipal Children's Education.This text aims to present a reflection about the experience in the construction of the pedagogical knowledge of music teachers from the early grades, based on the daily music workshop activities, which took place in a real and practical context of musicalization with the children.The qualitative literature and the bibliographic research constitute the methodology used in this article..