The Semonski Sisters are Diane (b. 1956), Donna (b. 1958), Joanne (b. 1960), Valerie (b. 1962), Audrey (b. 1963), and Michelle (b. 1967). They appeared on the Lawrence Welk Show starting in late 1974. Diane left the show in early 1977 to pursue a songwriting careers; the five remaining sisters stayed until late 1977.