Song stuck in your head? Just hum to search - Google
blog.google › products › searchOct 15, 2020 · On your mobile device, open the latest version of the Google app or find your Google Search widget, tap the mic icon and say “what's this song?” or click the “Search a song” button. Then start humming for 10-15 seconds. On Google Assistant, it’s just as simple. Say “Hey Google, what’s this song?” and then hum the tune.