"MacArthur Park" is a song written by American singer-songwriter Jimmy Webb that was recorded first by Irish actor and singer Richard Harris in 1968. Harris's version peaked at number two on the Billboard Hot 100 chart and number four on the UK Singles Chart. "MacArthur Park" was subsequently covered by numerous artists, including a 1970 Grammy-winning version by country music singer Waylon Jennings and a number one Billboard Hot 100 disco arrangement by Donna Summer in 1978. Webb won the 1969 Grammy Award for Best Arrangement Accompanying Vocalist(s) for the Richard Harris version.

Jimmy Layne Webb is an American songwriter, composer, and singer. He achieved success at an early age, winning the Grammy Award for Song of the Year at the age of 21. During his career, he established himself as one of America's most successful and honored songwriter/composers.