Have a look at this playful hand-drawn short film by Glen Keane in dark blue. Keane was the main creative in some of the most famous animated Disney films. Animated and directed entirely by him, DUET tells the story of Mia and Tosh and how their individual paths in life are woven together to create a duo. Here you can read more about the realisation of the film – cute 
An extract from the video (c)
