Hot Butter - Pop Corn (Dance) In 1969 Gershon Kingsley released a studio album entitled "Music to Moog By", which includes "Popcorn". later in 1972, Stan Free, a fellow member of the First Moog Quartet, rerecorded "Popcorn" with his band Hot Butter. It proved popular in mainland Europe, spending several weeks at No. 1 in numerous European countries, including France (4 weeks at the top) and Switzerland (10 weeks), ultimately becoming the biggest-selling single of 1972 in both countries. (In the