Humming Feature Wouldn’t Work – SoundHound - Music Discovery Review

I tried to hum a song melody to look up a song. A top 40’s song that I can’t remember the name or lyrics to. Several tries. It wouldn’t work. As a test I hummed “Jingle Bells” and it returned no results. It’s possible I was doing a poor job humming but I do play music and sing for a living... really hoped this would work better.
Review by CTH! on SoundHound - Music Discovery.