Samurai Champloo is a Japanese anime series that first aired in 2004, following three travellers in Edo-period Japan and becoming known for its distinctive blend of samurai action and hip-hop-influenced music. Short atmospheric pieces from its soundtrack have long circulated in fan edits, anime music videos and soundboards, where a few seconds of flute can signal the show instantly to viewers who know it. It remains popular because that quiet, wandering sound works far beyond the series itself, lending nostalgia and calm to unrelated edits.