Chastised by the sheriff for failing to capture the Bushranger after finding his lair (GC5WHEM), Constable Plodfoot called on his most trusted informant, Nimble-Fingered Neddy, former pickpocket turned piano player at the Noo's Waterhole tavern. But Neddy wouldn't talk, instead going to his keyboard and playing a couple of bars.
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Although blessed with perfect pitch and impeccable memory, Plodfoot couldn't make any sense of it. I need A starting point to ZERO in on, he thought as he left the tavern, humming those notes over and over to himself.
[This scale might help you if you don't have Plodfoot's perfect pitch]
"Start at A miner's place below the Middle Sea," Neddy called out as Plodfoot mounted his horse, "then go to where the seaeagles soar."
Plodfoot looked to the cliffs high above the town, a grin slowly spreading across his face. "Yes, of course, start with nothing and keep going up from there. Thirty-three degrees thirty-one point..."