What you are storing

Songs, scores and images, with what is using what

WhereSettings & More → My content.

One screen for everything the account holds. Each image says which songs use it, and unused ones can be selected in one action.

One page per feature. Whatever language you use, the screenshots show the English interface.

AI Usage — Tap to open the log.

Image storage

Sheet music storage — Space used, and how many projects are holding scores.

Song library — How many songs, and how many no service uses.

Notes

Deleting an image names the songs that will lose their background, before you confirm.
The song list shows how many services used each song, and which were never scheduled.
Filter by unused, duplicate-titled, most-used, largest or newest.