the author being dead only changes the fact that you cannot get permission from him/her directly. if you sing a song passing it as your own that is someoneelse's then that would be plagiarismregardless of the author being dead or alive, plagiarism is passing the work of others as your own.
the author being dead only changes the fact that you cannot get permission from him/her directly. if you sing a song passing it as your own that is someoneelse's then that would be plagiarismregardless of the author being dead or alive, plagiarism is passing the work of others as your own.