In the summer of 2025, we will, for the first time, enter an era without a "Song of the Summer." The world's most advanced performance venue, the Sphere in Las Vegas, is screening a 16K remaster of the 1939 film "The Wizard of Oz." In a feedback loop created by AI and social media, we are trapped in a cycle of "imitate, modify, and spread," constantly recycling past content. Just as environmental protection relies on reduce, reuse, and recycle, so too has cultural creation become a cycle of mimic, modify, and multiply .