In iOS 15, you can add Apple Music tracks to Memories — here`s how!
(iMore iPhone)

Go back in time by learning how to use Memories in the Photos app on iPhone and iPad! Great digital cameras like on the best iPhone and iPad mean we can take as many photos as we want, whenever we want. This is good, but it also means your Photos app ends up with so many pictures that could be on your storage. The Memories feature in the Photos app changes that by surfacing not only images we haven`t seen in a while, but grouping them together, adding music, and turning them into something more. Here`s how to use the Memories feature in the Photos app on your iPhone and iPad. Using Memories in Photos app: Find Memories Search Memories Start a slideshow in Memories Change Memory slideshow theme Customize Memories slideshow Save a Memories slideshow Delete photos from a slideshow Favorite a slideshow Delete a slideshow Who was in your slideshow Where your Memories took place How to use Memories in the Photos app on iPhone and iPad Launch Photos on your iPhone or iPad. Tap...