Säkkijärven polkka is a traditional Finnish polka named for Säkkijärvi, a former municipality in Karelia, and it has long been a staple of Finnish folk dancing and accordion playing. Numerous folk bands and accordionists have recorded their own versions over the decades, keeping the melody familiar across generations in Finland. Online, short accordion clips of the tune have travelled far beyond folk circles, appearing in dance videos, gaming edits and humorous montages. Its instantly recognisable rhythm and cheerful folk character explain why creators still reach for it today.