song from 90's with lyrics "I was in Barbara's bedroom.
The song with the specified lyrics is titled Barbara's Bedroom. It was done by Whistle, which was an American hip hop band in the 80s. It was their single, which was released in 1987. Find out more from http://www.discogs.com/Whistle-Barbaras-Bedroom/release/2208982.
Do you mean the 80's hip hop band 'Whistle'? They did a song called "Barbara's Bedroom" Is that the one you're speaking of?