Producer Al Mack worked with Crystal Waters and Toni Braxton in the early ’90s, but then began working in an R&B-inspired house vein. Signed to Gee Street/Island as the Mack Machine and EightBall as the Mack Vibe, he delivered several singles (with various female vocalists) in late 1994.

Mariah Carey » Obsessed
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Lady GaGa » Poker Face
Taylor Swift » You Belong With Me
Beyoncé » Halo (Revised Video)
Mariah Carey » Always Be My Baby
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Rihanna » Don't Stop The Music
Taylor Swift » Love Story
Mariah Carey » Obsessed (Remix)