Biography
There are at least two known duos called David & Jonathan.
1. Jonathan & David were a pop duo from Bristol, United Kingdom, formed in July 1965, following the demise of Bristol's "ace harmony group", The Kestrels. David & Jonathan were in fact Roger Cook (David) and Roger Greenaway (Jonathan), who would become one of the most prolific songwriting teams of the era. Their début single as a duo came out in October 1965. By that time they had already written 'You've Got Your Troubles', a #2 hit for The Fortunes. They would eventually write eighteen U.K. Top 10 singles together.
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2. David & Jonathan are David Marouani and Jonathan Bermudes from France, who formed a duo together in 1990. They made four singles (one was 'Bella Vita') and one album.
Biography text from Last.fm, available under CC BY-SA.