Any review I offer of Emmylou Harris must be prefaced by the fact that I could listen to an entire album of her humming. Her voice is so distinct, so simultaneously wispy and potent that any ...

For a moment, I’m worried I’ve offended one of our greatest living country artists. Emmylou Harris has hung up on me, less than a minute into our call. A moment later, though, she’s back, apologising.

The heartfelt rendition turned a classic song into one of country music’s most enduring hits.