PS stands for Paduan Suara (Choir), while U.L.O.S. stands for Universal Lyrics Of the Symphony. As the name suggests, PS U.L.O.S. USU is a choir student activity unit at USU that caters to various activities such as religious events, performances, ceremonies, and more. PS U.L.O.S. comprises not only Christian students but also students of other religions, including Islam and other faiths. PS U.L.O.S. USU has gained recognition at the national level for its performances. PS U.L.O.S. provides an excellent platform for USU students with singing talent and vocal skills. Through this student activity unit, students can showcase their potential and talent in choral singing and also expand their network of friendships.