Desperate to find love song?

[animosity]

Okay theres this song I heard...its a duet..man and a woman..the woman has a very deep and rich voice and in the chorus they keep singing either "love song" or "love sonnet"...its a slow song and has a bit of an r&b feel to it..i have ruled out vanessa williams & brian mcknight's love is..PLEASE HELP! even i'll try to downlaod all suggestions and perhaps i will find it!

[Catweazle]

A long shot this but try "Love Wars" by Womack and Womack.