Jon Anderson (Yes)

Jon Anderson, (born John Roy Anderson on 25 October 1944) is an English musician best known as the former lead singer of the progressive rock band Yes. He is also an accomplished solo artist and has collaborated with artists such as the Greek musician Vangelis, among others. In 1962 Anderson joined The Warriors (also known as The Electric Warriors), where he and his brother Tony shared the role of lead vocalist. He quit this band in 1967, released two solo singles in 1968 under the pseudonym Hans Christian, and then briefly sang for the bands The Gun and The Open Mind. One of Anderson's first producers at EMI was songwriter Paul Korda.

Sharon den Adel (Within Temptation)

Sharon den Adel (Sharon Janny den Adel) born 12 July 1974, in Waddinxveen, South Holland, Netherlands 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 performed with various bands since she was 13, including a blues rock band called Kashiro, and joined Robert Westerholt in Within Temptation in 1996.