"One Nation Under a Groove" is a 1978 song by Funkadelic, the title track from their album of the same name. It has endured as a dance funk classic and is probably Funkadelic's most widely known song.
"One Nation Under a Groove" was released as a single and peaked at number twenty-eight on the Billboard Hot 100 and reached number one on the Billboard Soul chart for six weeks, the longest of any number one single released in 1978.
On other US charts, it reached thirty-one on the Billboard Club Play Singles chart.
Outside the US, "One Nation Under a Groove" reached the top ten in the UK Singles Charts attaining a peak of number nine in January 1979. It is the band's only UK hit.
In Canada, the song reached number 71 in the Top 100 and number 5 on the Dance charts.
"One Nation Under a Groove" became Funkadelic's first million selling single, as well as the third million selling single for the P-Funk organization overall.