Complex sentence: Helena Iren Michaelsen is a Norwegian soprano, singer of the Dutch band Imperia and her last project Angel, and former vocalist of Sahara Dust (now called Epica) and Trail of Tears.
Split into simpler sentences: Helena Iren Michaelsen is a Norwegian soprano singer of the Dutch band Imperia and Angel. She was formerly a member of Sahara Dust (now Epica) and Trail of Tears.