Conversation so far:
When did Paris Barclay start his music video career?
Following his graduation from Harvard, Paris Barclay worked as a copywriter and creative supervisor at Grey, BBDO, Cunningham & Walsh, and Marsteller. Barclay then moved into music video directing.
How well did Paris Barclay's music video career do initially?
Paris Barclay directed music videos for Bob Dylan, the New Kids On The Block, Janet Jackson and Luther Vandross.

Question: Who else did he create videos for?
Self-contained rewrite: Who else did Paris Barclay create videos for besides Bob Dylan, Luther Vandross?