 Some YouTube users will now get to sing a little to find a song. The latest update to YouTube for Music's Android app finally brings the long-awaited hum-to-search feature the company's been testing for longer than a year. It's actually had the feature on Google, the YouTube parent company, but it is just as it sounds. You can try humming that tune, even with incorrect lyrics, into your YouTube for Music app on an Android phone, and the app will find the song for you. It