3 a.m.

There is a sample at the beginning of Andre Nickatina's "3 A.M." and I cannot figure out where it is from.
It is extremely brief, and the only lyrics are:

"3 o'clock in the mornin'... yeah."

Could someone hook me up with the artist/song name, and possibly a link?
Thanks.

try>
Eminem - 3 am
http://www.youtube.com/watch?v=xyNqRX0FqTg
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Lost prophets - 4 am forever
http://www.youtube.com/watch?v=CfNPbxFXqKg
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wat genre is the song?

http://www.youtube.com/watch?v=HHxwt9JwaAc

The first few seconds.