“Hallelujah: Leonard Cohen, a Journey, a Song” is a documentary about the Leonard Cohen song “Hallelujah,” and if that sounds like a lot of movie to devote to one song — well, “Hallelujah” is a lot of ...

In Alan Light's newly expanded book about the strange, growing legacy of 'Hallelujah,' he explores how the sexy song became a country favorite and then unlikely holiday hymn. If Leonard Cohen built a ...