Instruct: Classify the given Amazon review into positive or negative sentiment.
Query: Jandek on Corwood

You get to see this invisible man emerge by way of the very few people who have glimpsed, seen, or spoken to him. Somewhere in the history and mystery of Houston, Texas there is this fellow, who alone and with companions has made a large body of some of the most willfully uncommercial and purely personal music ever recorded. He's only spoken to a couple people in his career (I'm one of them), and only done one interview, but has become a legend and inspired a couple tribute albums and this very watchable and respectful film. This successfully captures the singular Jandek vibe, as it unfolds like the mystery story that it ultimately is. Despite my admitted lack of objectivity, I found this one of the rare music related films that worked as a film, as well as it did an exploration of the artist.