If you are still not yet aware. Google Assistant can be a handy tool to identify songs that are playing around you. You can hum to Google Assistant or record the ambient music after:
- Activating Google Assitant
- Giving it the command “What is this song?”
More information on this trick can be found in “Google Assistant’s Help Center -> Find info & Answers -> Find Out What Song is Playing Near You”. Ref: https://support.google.com/assistant/answer/7554088?hl=en&co=GENIE.Platform%3DiOS