In recent years, educational informatization has developed rapidly under the support of national policies and the impetus of technological innovation. Significant achievements have been made in infrastructure and resource construction. Information technology has empowered university vocal music education, and its advantages have been utilized in vocal music classroom teaching to explore innovative application paths. This article constructs multimedia and digital media technology, an artificial intelligence-assisted teaching system, big data analysis and real-time feedback, and virtual reality teaching platforms to provide more effective learning methods for teachers and students. At the same time, there are certain challenges in enabling information technology to empower vocal music classroom teaching. Based on this, this article analyzes the optimization path and further confirms the value and significance of enabling information technology to empower vocal music classroom teaching.