How many movies have Miguel Armstrong and Stephen Sondheim collaborated on?

They have worked on 3 movies together! Their first movie together was Mostly Sondheim (2003) while their highest rated movie together was Sondheim! The Birthday Concert (2010). They have not worked together since Sondheim! The Birthday Concert (2010). They are most known for their music films together.

Crew
Camera Operator
Crew
Musical
Crew
Lyricist
Crew
Songs
Crew
Writer
Crew
Original Music Composer