There are some key differences between a master's degree in musicology and a professional master's degree. Here are some of the key differences between the two master's degrees:

Professional orientation: A master's degree in musicology is a professional degree in the field of musicology, focusing on music theory, history, performance, composition, and other disciplines. Professional masters, on the other hand, can be degrees applied in a variety of different fields, such as engineering, management, computer science, etc.

Academic nature: The Master of Musicology focuses more on academic research and theoretical knowledge, and requires the completion of independent research projects and papers. The professional master's degree focuses more on practice and career development, usually requiring the completion of internships, projects or professional courses.

Employment direction: A master's degree in musicology is more suitable for students pursuing academic research, teaching or artistic creation. They can choose to work in teaching, research or performance at universities, research institutions or conservatories. The professional master's degree is more suitable for students who pursue practical and employment opportunities. They can choose to find employment in enterprises, institutions or government departments in related fields.

Study content: Master of Music courses may include music history, music theory, composition, music analysis and other subjects. At the same time, a master's degree in music usually requires students to have certain musical performance or composition abilities. The professional master's degree courses will be more practical and involve the learning of industry knowledge, skills and management.

School system and academic requirements: A master's degree in musicology is usually a two-year degree, and students need to complete certain credits and research work. The length of study for a professional master's degree may vary, but it usually requires the completion of certain credits and practical projects.

It is important to note that these distinctions may vary by country and school. Different schools and education systems may have different requirements and definitions for these two master's degrees. Therefore, when choosing a degree, students should carefully research their region and specific school requirements in order to make the right choice.