YuE is an open-source foundation model series designed for music generation, specifically transforming lyrics into complete songs. It produces full-length tracks that include both vocal and instrumental elements. The model supports multiple languages, genres, and vocal styles, making it a versatile tool for AI-powered songwriting. YuE also features an inference mode that allows users to generate music in a style similar to a reference song. It provides various model versions, including specialized upsampling models for improved audio quality. Users can access demos showcasing its vocal performance capabilities and stay updated on ongoing enhancements.