Sophie Tucker was a singer, comedian, actress, and radio personality. Known for her powerful delivery of comical and risqué songs, she was one of the most popular entertainers in America during the first half of the 20th century. She was widely known by the superlative nickname "The Last of the Red Hot Mamas". The song, You've Gotta See Mama Every Night was mentioned by George Burns in a recollection of his friendship with Groucho Marx. You can read more about that here.