Copyright

Copyright is the exclusive right of the author of a literary, scientific or artistic work or his successors in title to communicate that work to the public and to reproduce it, subject to the limitations laid down by the law. 
A copyright last for life plus 70 years for individuals for anything made on or after 1978.
A copyright lasts for 95 years for corporate authors after publication for anything on or after 1978. (It is 120 years after creation if not published.)
Works published before 1978 and after 1923 are protected for 95 years.
Music and Sound Recordings are subject to a copyright term of only 50 years from the end of the calendar year in which the track was recorded.