For " The Royal, The Choke, " a song on his " Nerve Net " album, Eno says he used an English bell-ringing pattern where the bells ring " 1, 2, 3, 4, 5, 6 " and then " 2, 1, 3, 4, 6, 5 " ( and so on ) so that " it's a permutation pattern that runs through the piece with no musical logic to it.