David and Jonathan (after the Biblical characters) was the name used by the British pop music duo Roger Greenaway and Roger Cook.   They began working together in 1965 in Bristol, England, and wrote the songs "This Golden Ring" and "You've Got Your Troubles" for the group The Fortunes. They teamed with George Martin to do a cover of The Beatles' "Michelle", which was a hit single in 1966 in both the UK (#11 UK Singles Chart) and the U.S. (U.S. Billboard Hot 100 #18, U.S. AC #3). They had another hit in the UK in 1966 with "Lovers of the World Unite" (#7).   David and Jonathan sang the theme song, "Modesty Blaise", composed by Johnny Dankworth, for the spy spoof film Modesty Blaise, starring Monica Vitti, Terence Stamp and Dirk Bogarde.   The two continued to write songs both alone and together, which were used by artists such as Blue Mink, The Hollies, Engelbert Humperdinck, Whistling Jack Smith, and others.