Britta Phillips
Britta Phillips, , is an American singersongwriter, musician, record producer, actor, and voice actor.
Britta Phillips was born in Boyne City, Michigan, but grew up in Bucks County, Pennsylvania. Her father, Peter Phillips, was a musician, songwriter, jingle composer and former music teacher of Paul Simon, who also worked on several Broadway plays. At the age of 19, Britta Phillips moved to Brooklyn, New York, to pursue a career in music. In 1985 Phillips father, through his musical contacts, secured an audition for her for the role of Jem. Phillips was hired on the strength of her demo for the shows theme song and that version was the one used in the opening credits.
Source: Wikipedia