The Android YouTube Music app is rolling out a feature that’s part Shazam and part your friend when you say, “hey what’s that song that goes…” right before you hum out a bar. The feature lets you hum, whistle, sing, or play a recording of a song to figure out what it is.

If you have the new feature, you’ll see a new waveform icon next to the microphone icon that appears when you tap the search button in the upper right corner of the app. Tap this, and the app will start listening….