Apple teamed up with Maroon 5 to add a new Memories song to the Memories feature in the Photos app.
You can use this song when creating slide shows on iOS 13 and iPadOS. The soundtrack will be available for a limited time. In Russia, it is not yet.
Maroon 5 also made a “memory” using their song. It is available on Apple Music .
How to create flashback
1 . Select multiple photos or videos in the Photos application.
2 . Press the Share button and select Create Slideshow .[ MacRumors ]