Sharon Janny den Adel (born 12 July 1974) is a Dutch singer and composer, best known as the lead vocalist and one of the main songwriters in the Dutch symphonic metal/rock band Within Temptation. She has been a performing musician since the age of 14, and was a founding member of the band Within Temptation, along with Robert Westerholt, in 1996.haron Janny den Adel was born on 12 July 1974 in Waddinxveen, Netherlands. She traveled extensively in her youth, living in at least ten different countries. From the age of 14, she performed with various bands, including a blues rock band called Kashiro, before joining with Robert Westerholt in 1996 to form a band called The Portal, though the name was changed to Within Temptation before their debut recording