Pääsävellajissa
Pääsävellajissa refers to the tonic key or the main key of a musical composition. It is the foundational key from which the piece originates and to which it most often returns. In Western music theory, the concept of a tonic key is central to understanding tonal harmony and the organization of melodic and harmonic material within a piece. The main key establishes the tonal center, meaning it defines the note and chord that feel like home or resolution. This central note is called the tonic.
The primary key is often indicated in the title or the beginning of a musical score. Composers