Byzantine Notation is a system used in ancient Byzantine music to indicate pitch and duration. It employs a series of symbols placed above the text of hymns and chants, allowing singers to interpret the music without needing a staff. This notation system is essential for preserving the rich tradition of Byzantine liturgical music. The symbols in Byzantine Notation represent specific notes and their relationships, making it easier for performers to understand the intended melody. This method has been crucial for the transmission of Byzantine musical heritage, ensuring that sacred music continues to be performed accurately across generations.