[youtube]http://www.youtube.com/watch?v=ED3oIxZKgU4[/youtube]
nice description of beefheart’s compositional methods in his later work: drum parts derived from throwing metal ashtrays against the wall and swinging shopping bags containing various things, to his exploding note theory, and in-studio compositional/recording techniques.
you can find cardboard cut out sundown on rhapsody.com – it’s the 6th track on ice cream for crow. the part gary refers to begins (i think) around 1:50 and culminates around 2:05.
you can also find an interesting BBC documentary on captain beefheart by searching captain beefheart documentary on youtube.