There are a number of apps and services available to help you detect what song is currently playing around you: products like Shazam , SoundHound , or even Google Now. Such services typically rely on your smartphone’s microphone to record a sample of music and then compare that sample against a database of songs. The Google Pixel 2 and Pixel 2 XL house a feature similar to what is described above, but with a couple of key differences: firstly, it isn’t something that you request, rather, something that will appear automatically on your lock screen. And secondly (and most impressively), it works offline. The feature is known as Now Playing and you’ll find in your Google Pixel 2 settings. It’s disabled by default, but, when active, it will (attempt to) show what song is currently playing in your location on the Pixel 2 lock screen. You can also set Now Playing to show up in your notifications — and you’ll be able to tap on the track to go to a Google search...