Sharon Janny den Adel is a Dutch singer who is the lead vocalist and one of the main songwriters of the symphonic metal band Within Temptation. She has been a performing musician since the age of 14, and is a founding member of Within Temptation, along with Robert Westerholt, in 1996. She was also elected to be the Dutch chairperson of the jury for the Eurovision Song Contest 2018.

Symphonic metal is a cross-generic style designation for the symphonic subsets of heavy metal music subgenres. It is used to denote any metal band that makes use of symphonic or orchestral elements. The style features the heavy drums and guitars of metal with different elements of orchestral classical music, such as symphonic instruments, choirs and sometimes a full orchestra, or just keyboard orchestration.