1968: An Oxford, Ohio group called the Lemon Pipers saw their only Billboard Top 40 hit, "Green Tambourine", reach #1. It made #7 in the UK. The band would never repeat their success, although "Rice Is Nice" (#46) and "Jelly Jungle" (#70) did enter the Hot 100 later in the year.
Courtesy of classicbands.com, YouTube, and Spirit of Resistance Radio!