Much like Walt Whitman's famous description of himself in "Song of Myself," There Will Be Blood is indeed large, and contains multitudes. I saw the film two weeks ago, and am still struggling to wrap my head around it. So until I can put together a proper review, I've posted below some video highlights of Paul Thomas Anderson and Daniel Day-Lewis discussing the film. Appearing with them are moderator David Schwartz of the Museum of the Moving Image, which hosted the screening, and actor Kevin O'Connor.
In this clip, Anderson discusses the influence of John Huston's Treasure of the Sierra Madre on his film, and Day-Lewis explains how clothing can reveal character:
In this next clip, Day-Lewis discusses the relationship between his character Daniel Plainview and his adopted son:
In this last clip, Anderson and Day-Lewis talk about their working relationship while making the film: