Related Clues:

• Composed, as a text
• Corresponded with
• What Petty did about L.A. riots
• Worked on an essay or novel
• Composed tweets, say
• Made music?
• Scribbled down
• Composed a letter
• Did a ghost's work, maybe
• Scripted or penned
• Prepared briefs, say
• Became an author
• Dashed off, say
• Was an author
• Created a novel