DMX "Whats my name"

[The Ghost When I Zone Off]

Does anyone know if the piano riff intro to "whats my name" was recorded just for the song or if it was sampled from another piece? If it was sampled, what song was it sampled from?

[West C. Connected]

WHAT'S MY NAME?
(E. Simmons, I. Lorenzo, E. Hinson) (ASCAP/BMI)
Produced by Self and Irv Gotti for Self Services
Entertainment, Inc. and Top Dawg Productions, Inc.
Recorded at The Hit Factory, Miami, FL by Adam Gazzola.
Mixed at Right Track Recording Studios, NYC
by Ken DURO Ifill for No Question Entertainment, Inc.