Red Sun in the Sky is an English name commonly used online for a Chinese revolutionary song praising Mao Zedong. Bass-boosted versions became recognizable through meme videos, where amplified low frequencies, distortion, red imagery, and dramatic editing heightened its already forceful presentation. The audio continues to circulate in short-form edits because its opening is immediately recognizable and quickly changes the mood of a scene. Creators often use it with exaggerated displays of power, historical references, ironic propaganda aesthetics, or unexpectedly intense character reveals.