An easy way to memorize organ music

Try this simple and easy method of memorizing any organ piece in a slow tempo:

Step 1: Play it in 1 beat fragments.
Step 2: Play it in 2 beat fragments.
Step 3: Play it in 1 measure fragments.
Step 4: Play it in 2 measure fragments.
Step 5: Play it in 4 measure fragments.
Step 6: Play it in fragments of 1 line.
Step 7: Play it in fragments of 2 lines.
Step 8: Play it in fragments of 1 page.
Step 9: Play it in fragments of 2 pages.
Step 10: Play it in fragments of 4 pages etc.

NOTE: In every step practice every fragment 10 times (5 times while looking at the score and 5 times from memory).

Enjoy your practice and share your feedback in the comments.