Film · 2005 · Films · 2000s
Metal: A Headbanger's Journey
Scored from 37 calibrated IMDb reviewers, each re-centered on their own rating baseline before the title is ranked. Cohort: Films · 2000s (7,847 peers).
Summary
Sam Dunn, a Canadian anthropologist and lifelong metal fan, turns his academic training on his own subculture and asks why the music has been so consistently reviled. He interviews Tony Iommi, Lemmy, Bruce Dickinson, Ronnie James Dio, Alice Cooper, Dee Snider and Slipknot's Corey Taylor alongside musicologists and psychiatrists, and travels from Birmingham to the Wacken festival in Germany to Norway, where he questions black metal musicians about the church burnings. He also maps the music's subgenres on a genealogy chart and revisits the PMRC censorship hearings. A first-person documentary co-directed with Scot McFadyen and Jessica Joy Wise.
Metal: A Headbanger's Journey is a 2005 documentary and music film. It was made in Canada. The runtime is 96 minutes.
Only 37 of its IMDb reviewers rate with enough spread for a personal baseline to be measured, so the calibrated figure rests on a thin sample; a broader pool of 39 reviewers with at least two reviews feeds the raw-average track. The cohort it is ranked inside is 2000s films — 7,847 of them.
How the score was built
We compare the reviewers of this title against every other title those same people reviewed. Each review is scored relative to the reviewer's own baseline — a 7/10 from a hard grader sits well above their average, while a 7/10 from a generous grader sits below theirs. Every reviewer then counts the same, so the result is a calibrated consensus rather than a raw average.
- Global percentile
- Where Metal: A Headbanger's Journey lands against every title we rank.
- In-cohort percentile
- The same comparison narrowed to its cohort — titles of the same format released in the same decade. A 1970s film is judged against 1970s films, not against last year's streaming series. Ranked against Films · 2000s (7,847 titles).
- AI-adjusted percentile
- The same reviewer-normalized score, corrected for how much confidence the sample supports: thin samples are pulled toward the corpus average. Each title keeps the share n / (n + 53) of its measured distance from the average, where n is its calibrated-reviewer count, and the result is ranked on the same scale as the global percentile.53 is the median sample size across everything we rank. Here n is 37.
Cohort: Films · 2000s
