If you mean AE on the PlayStation, then the second of those cheats should work. All
these cheats work for me. The normal button combination for chanting is just L1 + L2. I used to have a friend who was convinced you had to hold all four shoulder buttons. Eh.
And welcome to the Oddworld Forums, fellow long time Oddworld fan.
Just in future please use the ‘edit’ button rather than double posting.