I don't hear "so it is" either, but given their usual attention to detail, I'd be more surprised that they'd have such a glaring error in the notes, than if the "so it is" was just extremely quiet/subtle or something. It would also provide some nice foreshadowing to the end of Group Autogenics II ("and so it is, and so it is").
Whoops, sorry for the double post back there.
I don't hear "so it is" either, but given their usual attention to detail, I'd be more surprised that they'd have such a glaring error in the notes, than if the "so it is" was just extremely quiet/subtle or something. It would also provide some nice foreshadowing to the end of Group Autogenics II ("and so it is, and so it is").