READ MORE: Michael Jackson was 'shocked' by audience's response to himDavid went on: "[Michael] had not recorded it.
He hummed it to me as I sat at the keyboard in his pool house and we figured out the chords. "I guess this recording I made is the only copy that exists of this music. "Michael had also started working on a piece of jazz music around the same time.
He added that he hoped the Jackson family would "release the compositions to the public" as the music would "help people understand the depths of Michael's artistic achievements".
Michael's venture into classical music should come as no surprise to his fans, however. During an interview with The Guardian in the early 2000s Michael spoke candidly about his passion for the genre.
Read more on msn.com