"Back in the '80s and '90s, there wasn't a musical act I hadn't interviewed and many of them became friends," write Rusty Humphries. One of those performers was Whitney Houston. (Associated Press)

"Back in the '80s and '90s, there wasn't a musical act I hadn't interviewed and many of them became friends," write Rusty Humphries. One of those performers was Whitney Houston. (Associated Press)