The world's greatest artists have always been able to live on after they've gone through the songs that they have left behind.
Thanks to 21st century technology these singers can now carry on performing as holograms!
Although many musicians are against the idea, fans have flocked in their millions to watch their heroes resurected as CGI versions of themselves.
Read on to find which pop stars have performed from beyond the grave or been rejuvenated as avatars...
