How many movies have Bernhard Beibl and Edgar Froese acted in together?

They have worked on 4 movies together! Their first movie together was Tangerine Dream - Live at the Tempodrome Berlin (2006) while their highest rated movie together was Tangerine Dream - One Night in Space - Live at the Alte Oper Frankfurt (2009). They have not worked together since Tangerine Dream - The London Eye Concert - Live at the Forum London (2011). They are most known for their music films together.