why is the quality so bad and constantly fluctuating

Highway Frenzy

Soundtrack of the level Bowser In The Storm's Eye
https://linktr.ee/wasteofblood

1995/07/29 Build OST - Bowser In The Storm's Eye

Download: http://www.mediafire.com/download/qbbc6l2kicrpc0f/New+Super+Mario.+U+Underground.mp3