Name That Sample - "Don't Look Any Further"

Name That Sample is simple: I play the original song, you tell me who sampled it. Winner gets a day's supply of Cyber CapriSuns™. As always, no Googling! Google is for losers.

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This classic 80's tune by Dennis Edwards has been sampled numerous times. But who can name the most songs that have used these delightful bars?

Difficulty Level: Simple, but there are some obscure uses beyond the obvious. Think harder. Extra credit to the first person to name the semi-famouse woman singing the other half of this duet.

Question: How many songs can you name that used the "Don't Look Any Further" sample? Don't be fooled into just listening to the opening bars, or you'll prolly miss half the possible answers. Feel free to cheat and use other commenters' work, but do NOT Google! Google is for losers.