noun
musical notation
Refers to the system or method of writing music, including staff notation, tablature, and other notational systems.
西洋音楽の記譜法は五線譜を使う。
Western musical notation uses the five-line staff.
この曲は特殊な記譜法で書かれている。
This piece is written in a special notation system.
五線譜 is the five-line staff, a specific type of 記譜法.
Compound of 記 (ki, 'record') + 譜 (fu, 'musical score') + 法 (hō, 'method'). The term is a straightforward Sino-Japanese construction.