How many movies have Bing Crosby and Buz Kohan collaborated on?

They have worked on 5 movies together! Their first movie together was Bing Crosby: Cooling It (1970) while their highest rated movie together was Bing Crosby's Sun Valley Christmas Show (1973). They have not worked together since Bing Crosby: The Television Specials Volume 2 – The Christmas Specials (2010). They are most known for their music films together.