Whose performing act had more members, Marie Fredriksson or Dee Snider?
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. Dee Snider: Daniel "Dee" Snider (born March 15, 1955) is an American singer-songwriter, screenwriter, radio personality, and actor. Dee Snider:  Snider came to prominence in the early 1980s as lead singer of the heavy metal band Twisted Sister.
Daniel "Dee" Snider