What happens, though, when your hi-fi comes face-to-face with something that’s a little harder to digest? That’s what makes a track such as Veronica so valuable, in that it reveals an aspect of hi-fi that’s often overlooked but essential for your long-term enjoyment. Stick it on and, whether you're system matching various components or seeing how well run-in a pair of wired headphones are, you'll have a strong litmus test for whether the recording's flaws have become utterly fatal. MORE:We’ve reviewed hundreds of pairs of audiophile headphones – for most people, these are the only two pairs you need to considerI've spent weeks listening to five-star wired headphones. Now, going back to wireless is nearly impossibleThe ultimate music tracks to test your hi-fi system