Berliner Festspiele "Musik-Film-Marathon"

Oh, this sounds pretty interesting. The Berliner Festspiele show some great movies about music, musicians or just featuring interesting music.
Check out their website for further info (also available in english). Here's a direct link to the music film program.
Here's a small choice of movies I'd recommend watching:

• Mi. 11.04.: GESANG DER JÜNGLINGE and HELICOPTER STRING QUARTET (both with music from Karlheinz Stockhausen)
• Fr. 13.04.: THE DEVIL AND DANIEL JOHNSTON (great documentary about the somehow sad and interesting life of Daniel Johnston, his music and his mental illness)
• Mo. 16.04.: WHAT THE FUTURE SOUNDED LIKE and  THE ALCHEMISTS OF SOUND (two documentary movies about early electronic music; both with an introduction and discussion from Wolfgang Seidel, free entry!)
• Tue. 17.04.: KRAUTROCK – THE REBIRTH OF GERMANY (pretty good documentary about Krautrock, a must see when you're into music from Neu!, Kraftwerk, Can, Amon Düül,... ; also with an introduction and discussion from Wolfgang Seidel, free entry!)
• Sa. 21.04.: ONE11 AND 10 (John Cage's first and only movie, expect some crazy 94 minutes!)