You can ask Siri to listen to the music and tell you what's playing. Yes, this is Shazam, but Apple bought them, and now it's part of Siri.
Siri Tip of the Day: What Song is that?
Siri Tip of the Day: What’s my Elevation
Get your elevation by asking Siri. This works on iPhones from the iPhone 6 and newer.
Siri Tip of the Day: Translate
Use Siri to translate from nine foreign languages into English. See the translation, and hear it also. It's as easy as "How do you say..."
Siri Tip of the Day: Add item to Reminders
Add an item to any list in Reminders just by asking Siri. If the list doesn't exist, Siri will offer to make the list for you. Super handy.
Siri Tip of the Day: Make it Louder
Siri can adjust the volume for you, hands-free. Just say "Hey Siri, turn it up" or "Hey Siri, make it softer."
Siri Tip of the Day: Built-in Cheat Sheet
Siri can do a lot of things and the list continues to grow. Find out what she can do by asking! Day "Hey Siri: what can you do?" and she'll give you a list.
Siri Tip of the Day: Do Math
Siri is good at math. Simply put your math question into words and she will solve it. Yes, this is "Word Problems." You probably thought you were through with them.
Siri Tip of the Day: When’s my Next Appointment?
Siri can look at your calendar and tell you what's coming up next.
Siri Tip of the Day: Adjust Screen Brightness
Siri can adjust screen brightness! Easier than doing it by hand, and after adjusting the brightness, Siri leaves a slider for you to play with just in case.
Siri Tip of the Day: Turn on the Flashlight
Siri can turn the flashlight on and off. Very handy, especially when you do it hands-free (via "Hey Siri"). Try it in the dark!