Creedence Clearwater Revival, often shortened to CCR, became closely linked in popular culture with the Vietnam War through the repeated use of their late-1960s rock in films, documentaries and television about that period. Editors later lifted short, recognisable passages for online videos, where the sound now works as instant period shorthand rather than a full song. That association keeps it in circulation for war montages, historical edits and ironic memes, because listeners connect the guitar-driven sound with a specific era without needing any explanation.