I can't explain how.

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but just the same, when we've finished our song, I know we've passed a lot over to each other that don't need words for the passin'." "Why, d'ye know, when I'm playin' an' he's singin', it's a regular duet of what the sky-pilots 'd call religion an' knowin' God.

Sure, when we sing together I'm absorbin' religion an' gettin' pretty close up to God.
An' it's big, I tell you.