REQUEST: Kanye West - Never Let You Down (Sample)

[faultlog]

Any one know what song he sampled for this track (off the College Dropout promo)?

The lyrics for the hook, as far as I can guess are:
when it comes to being true, at least true to me /
one thing I've found, one thing I've found/
i know you'll never let me down

Such a tight song...Kanye for Prez '04