You can find a description with pictures in the User Manual of SongBook+ in the chapter "Backup and restore your data".

>> Link to download the user manual

Here is a short summary:

  • Stop SongBook completeley, it also mustn't run in background:
    • Doubleclick the Home-Button on iPad, the list od running apps appears on bottom of the screen
    • Long-click the icon of SongBook in that list on bottom until it gets a small red "minus" sign
    • Click this "minus" sign to end SongBook completeley
    • Click the Home-Button again to come back inti the normal view
  • Open iTunes and go to "File Sharing" as you do to add documents.
  • Copy your saved files from the computer back to the iPad using the button "Add..."