"Once Upon a Time" is a 1964 single released by Marvin Gaye and Mary Wells from their sole duet album, Together.
[1] "Once Upon a Time' was written by Clarence Paul, Barney Ales, Dave Hamilton and William "Mickey" Stevenson.
The song's co-writer, Dave Hamilton, also plays the vibraharp solo on the record.
The song discussed how the two narrators felt lonely until they met each other referring to their past as it happened "once upon a time".
"Once Upon a Time" brought simultaneous top forty pop success for the duo as the single hit number nineteen while its b-side, "What's the Matter with You Baby" peaked at number seventeen on the pop singles chart.