Intro Story Glitch | Endless Intro Story Loop @IntroStoryGlitch | Uploaded May 2014 | Updated October 2024, 4 hours ago.
If you get an ISG fadeout before the sixth Intro Story scene while you're watching the opening cutscene or the DK Rap (outside of DK Theatre), an infinite loop of cutscenes will be playing. The only way to escape this is to reset the game.

dk64.wikia.com/wiki/Intro_Story_Glitch#DK_Rap_.26_Opening_Cutscene