Press the button “...” in the song list.
Select “Photo to PDF”.
Insert photos using the built-in camera or choose existing photos. Each inserted photo creates a new page for the PDF file.
If you are using a device with iOS 13 or newer, you can crop the photographed document after taking the picture.
It is even possible to photograph the document at an angle, then mark the corners, and thereby straighten the angled document.
Change the filename of the PDF file to be generated.
Press “Save”.