My family has been playing a ton of Super Mario for the Wii lately, hence I stumbled onto this awesome site where Joseph Karam has worked for several months to create a comprehensive transcription of Koji Kondo’s score to the original Super Mario Bros, stating "I came to the realization that there simply was no definitive score of Koji Kondo's masterpieces. Nintendo has never published an official version, and high demand for Mario sheet music has led a number of fans to release their own amateur transcriptions, none of which succeeded in doing justice to the original". Enjoy!
Pianist Transcribes Complete Super Mario Bros. Score