Who performed Edward Eliscu ; Billy Rose ; Vincent Youmans "I Know That You Know" 🤔💡🕵️‍♀️best?

🥂🍾The Lawrence Welk Show 's Arthur Duncan 🕺dances to Vincent Youmans "I Know That You Know" 🤔💡🕵️‍♀️https://t.co/JzdyFlcCWN pic.twitter.com/BFKC4DY12R

— 🎼AdagioForStrings🎻 (@adagioforstring) March 16, 2019