Hidden By-Tor video
Insert Disc 2 and view the "The Boys In Brazil" option. When Alex Lifeson gives reference to the early years 1977 to 1978 at about time index 0:26:40, press [Enter] to see an animated By-Tor video.
Bonus option
Insert Disc 2 and view the "O Baterista" option. Return to the main menu. View the "YYZ" option and return the main menu again. Start the "YYZ" option again, then go return to the main menu. Finally, start the "O Baterista" option again and return to the main menu. The "Anthem 75" option will now appear on the main menu.