With the rapid advancement of information technology and artificial intelligence (AI), higher education curriculum reforms are deepening. The blended learning model, which combines online learning with offline classroom instruction, has demonstrated unique advantages in university music education. AI technology, with its capabilities in intelligent analysis, precise feedback, and personalized learning support, is set to inject new vitality into music education. This paper explores the application pathways, functional roles, and challenges of AI technology in university music classrooms from a blended learning perspective, providing theoretical and practical references for the digital transformation of music education.