Sound Search for Google Play

<p><br /> What's this song?</p>
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<p><br /> The Google Play Sound Search widget can help you recognize music and songs playing around you. You can:</p>
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<p><br /> -Identify songs, directly from your homescreen<br /><br /> -Purchase identified songs straight from Google Play, and add them to your Plays Music library<br /><br /> -Keep a song identification history, synced across all of your Android devices, so you can purchase a song later<br /><br /> -Add the widget directly to your lockscreen, so you can recognize songs even faster (for devices running Android 4.2)</p>
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<p><br /> After you’ve installed the Google Play Sound Search widget, go to the widget picker and drag the Sound Search widget onto your homescreen. Click on the widget to start recognizing.</p>
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