Documentaries that chronicle the rise, triumph, and inevitable fall from grace – and redemptive coda, if one is available – of an influential artist are often tricky propositions: VH1’s “Behind the Music” series pretty much cornered the market on this plotline early on, and subsequent efforts to subvert the formula either need to be either particularly innovative in style or to boast an interesting enough story to distinguish themselves. Take last year’s Pearl Jam Twenty, for example: an exemplary documentary, […]