SOPP462: I want to learn Carillon of Westminster by Vierne, which I purchased score from you

This question was sent by William, and he writes: I want to learn Carillon of Westminster by Vierne, which I purchased score from you. I can play pieces like the Te Deum of Langlais. Dupre Cortège and Litany. Do you think I would be capable of learning this piece if I practice one page for a week or two very slowly? I am working now on relearning 8 little preludes and fugues. I don’t want to take on that much. Do you have any suggestions? Does it help to practice Vierne on piano? I have to start very slow practice to learn a piece. If I know it well, I can play any speed. I am 79 years old and still have full time cathedral job. Thank for any advice. ~Bill