1968. This duo had a number of smash hits with Motown. Sadly, it all came to a sudden end when she was diagnosed with a brain tumor. She endured 8 operations before dying at age 24. He did at age 44 when his father killed him. They left a legacy of astonishingly beautiful music. This one was written by the powerhouse Nickolas Ashford and Valerie Simpson. This song became the basis for a 1995 Method Man/Mary J. Blige collaboration.