Cradles is a song by American singer Sub Urban, first released in 2019, that found a much larger audience after clips of it spread on TikTok. Its dark pop sound and childlike vocal made it easy to reuse for creepy, stylish and dramatic short videos, and creators began pairing it with reveals, transformations and Halloween edits. As the song kept appearing in new trends, the short excerpt became a familiar audio cue in its own right, which is why it still turns up in edits long after its original viral peak.