nivåkryssinger
Nivåkryssinger is a term used in Swedish-language music discourse to describe a vocal practice in which lines or voices cross between different musical levels or registers within a piece, producing a cross-level, polyphonic texture. The word is formed from nivå (level), kryss (cross), and the suffix -inger, which marks the term as describing a practice or phenomenon.
In performance, nivåkryssinger can involve singers exchanging melodic material across parts or switching between vocal registers
Origins and use of the term are tied to late 20th- and early 21st-century Swedish contemporary music
Reception of nivåkryssinger is varied. Proponents argue that it expands vocal possibilities and listener perception of