Pierre Bouvier and Marie Fredriksson are both what?
Pierre Bouvier: Pierre Charles Bouvier {'1': ", '2': ", '3': ", '4': "} (born 9 May 1979) is a Canadian singer, songwriter, musician, composer and actor who is best known as the lead singer and guitarist of the rock band Simple Plan. Marie Fredriksson: Gun-Marie Fredriksson, known as    (born 30 May 1958), is a Swedish pop singer-songwriter and pianist, best known for forming one half of the pop rock duo Roxette, which she created together with Per Gessle in 1986.
singer-songwriter