How many movies have Buz Kohan and Robert Goulet collaborated on?

They have worked on 3 movies together! Their first movie together was Bing Crosby and the Sounds of Christmas (1971) while their highest rated movie together was Happy Birthday, Las Vegas (1977). 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.