The hit-making producer goes deep on the concept of gratitude, his relationship with Chad Hugo and capturing his life story — in Lego form — with the help of director Morgan Neville.

“Piece by Piece” is a bright, clever song-filled biopic that pretends it’s a behind-the-scenes documentary using small plastic bricks, angles and curves to celebrate an artist known for his quirky soul. It is deep and surreal and often adorable. Is it high concept or low? Like Williams, it’s a bit of both.

I like doing things that don’t exist,” says the prolific producer of 'Piece by Piece', his animated documentary about producing some of music’s biggest hits.