She made her first recordings as a pop singer on the Epic label with "Young and Lonely" in 1961, followed by "Please Don't Talk to the Lifeguard", which became a major hit in the Cleveland area but failed to break into the national charts.
After further singles on Epic failed to become hits, she signed with Bright Tunes Productions in New York City, and recorded "It Hurts To Be Sixteen" – her real age at the time – released on the Big Top label.
Carroll released several more singles on the RCA and United Artists labels, including "Hey Beach Boy", but they were unsuccessful.
Andrea Hill has published Making It in the Business, a book of guidance for people seeking to enter the entertainment industry.
b/w "This Time Tomorrow" b/w "Mr. Music Man" b/w "She Gets Everything She Wants b/w "Why Should We Take The Easy Way Out" Andrea also appeared on TV, on American Bandstand and on Baltimore's The Buddy Deane Show.