Theory of Music may be defined as the study of the practices and possibilities of music.
Theory of Music is mainly concerned with arranging and composing of music. It is a field of study that describes the methods and concepts used by composers and musicians when they create music. If one aspires to become a music arranger or composer, then sound knowledge in Theory of Music is a must.
Northern School of Music, near Dumdum Railway Station, is one of the best and leading music school in Kolkata for Theory of Music classes and the only existing music institute in North Kolkata for learning Theory of Music.
Western Classical Music is taught in Theory of Music class.
International certification / examination facility is available from Trinity College London (TCL), Associated Board of the Royal Schools of Music, UK (ABRSM) and London College of Music (LCM). It is recommended, but not compulsory; to appear for certification exam if one aspires to become a musician, as it opens the door to many opportunities.