Michael Jackson - Billie Jean [multitrack] - 39... -

: They collectively agreed that the second mix captured the original magic and energy better than any subsequent attempt, making it the version released on Thriller . Key Instrumental Layers

: For the vocal overdubs, Swedien had Michael Jackson sing through a six-foot-long cardboard tube to create a specific acoustic distance and texture.

One of the most famous stories regarding these tracks is that Swedien mixed the song 91 times . Michael Jackson - Billie Jean [Multitrack] - 39...

: Despite the complex production, Jackson reportedly nailed the lead vocal in a single take after warming up his voice every morning during the recording period. The 91-Mix Perfectionism

: To keep the drum sound "fresh" and avoid tape wear, Swedien recorded the initial drums to a "slave reel" for overdubbing, ensuring the final mixdown used the original, untouched drum recordings . Vocal Innovations : They collectively agreed that the second mix

: After 91 revisions, Quincy Jones walked into the studio and asked to hear "Mix #2" again.

The "Billie Jean" multitrack containing 39 tracks is a legendary look into the Acusonic Recording Process . Developed by engineer Bruce Swedien, this technique allowed for a nearly limitless track count by synchronizing multiple 24-track tape machines. : Despite the complex production, Jackson reportedly nailed

: Swedien was instructed by producer Quincy Jones to create a "sonic personality" for the drums that had never been heard before. To achieve this, he built a custom wooden platform for the drum kit and placed a flat piece of wood between the snare and hi-hat to isolate the sounds.