They are the most successful pop music duo of all time. Daryl Hall and John Oates have long since surpassed Simon and Garfunkel and the Everly Brothers in the annals of pop pairings, having scored no less than 22 Billboard Top 20 singles, including six number ones, six platinum albums (sales of more than one million copies) plus another six gold LPs (sales of more than 500,000 units).