"Red Sun in the Sky" belongs to the wave of Chinese revolutionary songs from the Mao Zedong era, when the "red sun" was a standard poetic image for the leader in propaganda music. Decades later, short excerpts began circulating online as meme sounds, prized for the clash between their earnest grandeur and absurd modern contexts. This upload isolates only the opening note, under half a second long, which works as a standalone sting. Its popularity comes from that instant recognisability: one tone is enough to set a mock-epic mood.