: Intricate layers of snaps, claps, and unique sounds—like the heavy drum multitracks used in live performances like "Another Part of Me".

: A forensic acoustic paper by Dr. George Papcun that uses multitrack isolations (stems) to analyze vibrato and harmonicity to verify vocal authenticity on the Michael album.

The use of multitrack recording on Thriller enabled Jackson to create a truly cinematic sound, with layers of instrumentation, vocal harmonies, and sound effects that transported listeners to new sonic landscapes. Tracks like "Billie Jean" and "Beat It" featured intricate arrangements, with Jackson and Jones using multitrack recording to build complex textures and atmospheres.

Elias leaned in, his headphones clamped tight.

For producers and vocalists, studying Michael Jackson’s multitracks offers three concrete lessons:

Here is what the multitracks reveal about the King of Pop.