 She compared what she found with recordings of non-Christian rituals from Africa, Borneo, Indonesia and Japan.She took into account both the segmental structure (such as sounds, syllables, phrases) and the supra-segmental elements (rhythm, accent, intonation) and concluded that there was no distinction between what was practised by the Pentecostal Protestants and the followers of other religions.It was a commonplace idea within the Greco-Roman world that divine beings spoke languages different from human languages, and historians of religion have identified references to esoteric speech in Greco-Roman literature that resemble glossolalia, sometimes explained as angelic or divine language.