If you just want to to isolated MJ parts for fun, search YouTube for channels like "MJ Multitrack Isolated" – but know those are often fan-made or heavily compressed.

As technology advances and music production becomes more accessible, the demand for multitracks is increasing. It's possible that in the future, we might see more official multitrack releases or innovative approaches to sharing and collaborating on music production.

If you're still determined to get your hands on Michael Jackson multitracks, here are some potential sources: