High Quality Content by WIKIPEDIA articles! Shakespears Sister is a British-based pop-rock act formed by Irish singer–songwriter Siobhan Fahey in 1988. Consisting of Fahey and Marcella Detroit, the group released two albums and multiple top-ten singles, including signature tune "Stay" which peaked at #1 in the UK for 8 consecutive weeks. Detroit left the band in 1993, leaving Fahey as the sole member until she ended the project in 1996. After a solo career of her own, Fahey revived the project in 2009.