the gamecube's biggest easter egg

a recently found secret in the main menu of the nintendo gamecube. an easter egg can sometimes refer to something that was hidden in video games by the creators and the game does not inform you of the secret.the gamecube main menu or gcmm has a certain music which if sped up about x16 it sounds just like the famicom disc startup menu. famicom was an add on accessory for the nes or nintendo entertainment system. Search the video on youtube. people hypothesize that nintendo did this because the gamecube was the first nintendo system to use discs instead of cartrages