a documentary
... that a documentary on Canadian singer-songwriter Leonard Cohen's troubled 1972 concert tour was completed in 1974 but released theatrically in 2017?
... that <b id="mwB88"><a href="./Leonard_Cohen:_Bird_on_a_Wire" id="mwB9A" rel="mw:WikiLink" title="Leonard Cohen: Bird on a Wire">a documentary</a></b> on Canadian singer-songwriter <a href="./Leonard_Cohen" id="mwB9E" rel="mw:WikiLink" title="Leonard Cohen">Leonard Cohen</a>'s troubled 1972 concert tour was completed in 1974 but released theatrically in 2017?