Evangelical backmasking

There was a stil some decades ago with the proposition that Satanic messages might be recorded backwards and concealed in popular music. It was never clear to me what might motivate someone to do this. Presumably the motive was evangelical, to subliminally urge people to worship the devil. If this sort of thing is effective, perhaps mainstream religion should adopt the tactic as well, exhorting people to worship, tithe, treat each other well, wear long dresses or whatever other message was deemed suitable for the format.

Evangelical backmasking would of course be appropriate in religious themed music - Christian rock being a candidate. Music from other parts of the world might likewise be jiggered to contain backwards spiritual urging: example might be Bollywood songs or African dance music. Live music would be tricky but perhaps specially trained cantors could learn backwards verse and sing them quietly as a counterpoint to the main forward song.