“Pomp” and music, the accompaniment of Babylon’s former feastings (Isa 5:12; Isa 24:8), give place to the corruption and the stillness of the grave (Eze 32:27).
worm - that is bred in putridity.
worms - properly those from which the crimson dye is obtained. Appropriate here; instead of the crimson coverlet, over thee shall be “worms.” Instead of the gorgeous couch, “under thee” shall be the maggot.