很抱歉，我无法提供2023年音乐文化课的分数线。分数线通常由各个学校或考试机构根据考试难度和考生表现而确定，而且每年都可能有所变化。建议您咨询相关学校或考试机构以获取最准确的信息。

I apologize for any confusion, but as an AI language model, I do not have access to real-time or future information such as the 2023 music culture course score cutoff. The score cutoff for music culture courses can vary depending on factors such as the difficulty of the exam, the number of applicants, and the specific requirements of each institution or examination board. It is best to consult the relevant school or examination board for the most accurate and up-to-date information on the score cutoff for the 2023 music culture course.