She released two singles, "Woman to Man" and "Temple of Love", in 1990, on EastWest/Atlantic Records.
Harriet released an album, Woman To Man on East West Records, but is remembered only as a one-hit wonder in the US.
In 1991 Harriet took part in the Italian Song Festival in San Remo with the English version of the song "In questa città" (written by Pino Daniele and performed in Italian by Loredana Bertè).
She co-wrote the song "Whatever You Need" with Russ Courtenay for Tina Turner's 1999 album, Twenty Four Seven.
In 2014 she released the digital album Reality containing ten tracks, under the name Harriet Roberts.