composer (n.)

• annalist
• arranger
• author
• authoress
• balladeer
• bibliographer
• coauthor
• collaborator
• columnist
• compiler
• contrapuntist
• copywriter
• critic
• diarist
• dramatist
• encyclopedist
• essayist
• ghost
• ghostwriter
• harmonizer
• humorist
• librettist
• litterateur
• madrigalist
• musicologist
• newspaperman
• novelist
• orchestrator
• pamphleteer
• poet
• reviewer
• scenarist
• scorer
• scribe
• scriptwriter
• storyteller
• symphonist
• wordsmith
• writer