Muse is both a common term for a handheld Cognet linking device, and also a specific brand of said CogLink device. Functionally the Cosmic Era version of a smartphone
Last night, your buddy was thinking about calling one of those crazy psychic hotlines, he was really depressed, his girlfriend dumped him, and he wanted some good news. You know they’re all a scam, they give you some advice that could apply to everyone and a large bill to boot. You told him to go for it.
But now he’s missing. All you have is his cell phone, and something is wrong with it. You found it in your toilet today. Yeah, your toilet. It’s got all his old numbers and a few you don’t recognize. You tried to call some, but all you got was a what sounded like a bunch of voices muttering at once. What the hell is going on here?
The village sits on the edge of the deep fjord, often engulfed in mist or rain. Its people are fishermen, who work even through the sea-ravaging winter. And they pray to the gods of the deep.
At the beginning of every winter they hold a summoning ceremony. Three boats are taken out into the fjord, a hornsman on each. The mournful horns are blown in the language of the whales, the gods of the deep. The whales sometimes appear in answer to these calls, and it is taken as a good omen when they do.
To a party of PCs wandering the misty hills and valleys nearby however, the doleful whalesong of the horns can be disturbing and misinterpreted...