Huvudinstrumenten
Huvudinstrumenten is a term used in some languages to refer to the main or principal instruments within a musical ensemble or work. The concept denotes the instruments that carry the primary melodic material, thematic identity, or defining timbre of a piece, in contrast to instruments that provide accompaniment, harmony, or texture.
In orchestration and music analysis, huvudinstrumenten are chosen for their capacity to project melodic material, voice
The designation is not fixed throughout a work; the principal melodic line can be transferred between instruments,
Relation to notation and performance: principal melodies received greater emphasis in rehearsal and performance, often indicated
History and usage: the exact term and its prominence differ by language and school of music theory.