ジェフ・エメリック
McCartney played several instruments on "Say Say Say", including percussion, synthesizer, guitar, and bass guitar. The harmonica was played by Chris Smith and the rhythm guitar was played by David Williams. The song was engineered by former Beatles sound engineer, Geoff Emerick. The production of "Say Say Say" was completed in February 1983, after it had been refined and overdubbed at Cherokee Studios in California.