Sunshine Rainbow White Horse is a Chinese pop song by singer Da Zhangwei, built around a bright, childlike chorus that proved easy to sing along with and share. Short clips of its catchy vocal hook travelled widely on short-video platforms, where creators reused them for cute, funny and upbeat edits rather than for the full song itself. The nay nay fragment works on its own because listeners recognise the melody instantly, even out of context, which has kept it circulating as a lighthearted meme sound long after the song first spread online.