What is the song title?!

Okay, i've been obsessed with this song for a while now..
And it really bugs me that i don't know the title, artist, or anything about the song.

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I uploaded the song [yes, it's in .M4A (iTunes) format, as i imported it from my cousin's CD].

I'd really, really appreciate it if anyone can/will help me out.
Thank you, guys, a lott.

"Do I Love Her" - DJ Quik ft Suga Free