But for producers, DJs, and audio engineers, the ultimate "what if" remains tantalizingly open. What if they shared a track? What if Biggie’s Brooklyn bravado sat on the same beat as Pac’s revolutionary rage?

biggie, sr = librosa.load("biggie_acapella.wav", sr=44100) pac, sr = librosa.load("pac_acapella.wav", sr=44100)

When a producer says, they are referring to the meticulous process of time-stretching and pitch-shifting two distinct vocal sessions to live in the same musical space.