This work was developed from issues and concerns related to the nature of human, musical and technological learning within a practical discipline of the Musical Education Bachelor Course (online education modality) of the Open University of Brazil at the Federal University of São Carlos (UAB / UFSCar). What educational processes are evidenced in a practical discipline of the course of online music education? What aspects could help build the online musical education teaching knowledge base? The theoretical fundaments permeated concepts of Online Education [Moore & Kearsley (2007), Moran (2006), Silva (2006)], pedagogical and musical Multidimensionality [Kramer (2000), Del Ben (2003), Hentschke (2001)], Pedagogical knowledge base and Teachin...