(P) = Principalities/Powers (Pagan gods) ?
Video is an excerpt from an interview with John Todd recounting a conversation with David Crosby in the '70's, describing how studio exec.s summon "Principalities or Powers" to order (under)demons to follow all the recordings off the masters. Also explains use of 'witch language'
https:// www.youtube.com/watch?v=hRc6FRBxpUY
pics from booble image search 'pagan gods'