This type of spell prepares the magical worker and his helpers for further work by heightening their awareness.
It does not set out to call up the powers, but appeals to gods, goddesses, powers of nature and so on for help.
Chanting, prayer and hymns are in many ways incantations, particularly when the intent is stated with some passion.
An incantation is often very beautiful and rhythmic.
Music has always been an efficient way of heightening awareness and altering states of consciousness.
