乐理

Traditional form:

樂理

Pinyin (reading):

yuèlǐ

Definitions:

• music theory

Characters:

• 乐 - cheerful, happy, laughing; music
• 理 - science, reason, logic; to manage

Traditional characters:

• 樂 - cheerful, happy, laughing; music
• 理 - science, reason, logic; to manage