According to the U.S. Copyright Office, "...copyright is a form of protection provided by the laws of the Unites States to the authors of original works of authorship, including literary, dramatic, musical, artistic, and certain other intellectual works." The protection is available to published and unpublished works. Copyright gives the owner the right to make copies, prepare derivatives, record and distribute, and perform or display the works in public.
The following resources provide additional information on copyright and who can claim copyright over original works: