Song Meaning
The lyrics present a profound, immediate transformation, not a gradual decline. The core idea is a sudden, collective change, signaled by a specific, dramatic event: "the last trumpet."
The central tension lies in the contrast between the expected end, represented by "sleep" (death), and the actual outcome: "all be chang'd." This isn't about universal demise, but a universal alteration, happening with astonishing speed. The phrasing "in a moment, in the twinkling of an eye" emphasizes this instantaneous nature.
The most striking craft element is the direct, authoritative address: "Behold, I tell you a mystery." This sets a tone of revelation, presenting a complex truth as something to be received and understood, not debated. The juxtaposition of the mundane "sleep" with the extraordinary "chang'd" highlights the unexpected nature of this divine intervention.
This passage resonates because it offers a powerful image of collective, rapid metamorphosis. The specificity of the "last trumpet" grounds the abstract concept of change in a tangible, auditory cue, making the mystery feel both grand and imminent.