I need songs that are duet old school r&b? name atleast 5 great ones?

Love Is - Vanessa Williams & Brian McKnight
Endless Love - Lionel Richie & Diana Ross
One Sweet Day - Mariah Carey & Boys II Men
Nothing Even Matters - Lauryn Hill & D'Angelo
Your Precious Love - Marvin Gaye & Tammi Terrell

Where is the love - Donny Hathaway/Roberta Flack
Endless Love - Lionel Richie/Diana Ross
You're All I Need To Get By - Marvin Gaye/Tammi Terrell
Ain't Nothin' Like The Real Thing - Marvin Gaye/Tammi Terrell
If This World Were Mine - Luther Vandross/Patti Austin
Fire and Desire - Rick James/Teena Marie

Rene & Angela: Your Smile (Album - A Street Called Desire)
Teddy Pendergrass and Stephanie Mills: Feel the Fire
Miki Howard and Gerald Levert: That's What Love Is
Womack and Womack: Baby I'm Scared of You
Dennis Edwards and Paulette McWilliams: Don't Look any further

Here are a few of my favorites -

Keith Sweat ft. Athena Cage - Nobody
Peabo Bryson ft. Patti Austin - Never gonna let you go
Peabo Bryson ft. Roberta Flack - Tonight, I celebrate my love
Bill Medley ft. Jennifer Warnes - Time of my life
Eddie Rabbitt ft. Crystal Gayle - Just You and I
Keith Washington ft. Chante Moore - I love you
LTD ft. Jeffrey Osbourne - On the wings of Love
Patti Labelle ft. Michael McDonald - On my own
Marvin Gaye ft. Tammi Terrell - Your precious love

Is it still good to you = Ashphard & Simmpson
Secret Lovers = Atlantic Starr
All Cried out = Lisa Lisa & Cult Jam