Mikael Akerfeldt

Lars Mikael Åkerfeldt,born 17 April 1974 is a Swedish musician who achieved fame as the lead vocalist, guitarist and songwriter of progressive death metal band Opeth as well as the lead vocalist of death metal band Bloodbath. He was the vocalist and guitarist for the band Sörskogen and the guitarist of the band Steel. He is known for his progressive rock-influenced songwriting style and his frequent use of both clean and growled vocals.

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.