In one of the empty spaces, under a forbidding mural of the Great Leader Kim Il-sung, were assembled about 3,000 schoolgirls, performing a mass synchronized dance with the encouragement of two men sitting in a van with loudspeakers on the roof.
All day they walk three paces apart from each other so they don't catch Ebola," said one Red Cross team worker staying at the hotel, gesturing at the crowd swaying body-to-body as Guinea's trademark reggae crackled through the loudspeakers.
At 7.30, the lights dimmed, the crumhorn music struck up over the loudspeakers, and the dumb show began.
Altaf Hussain has lived in London since the early 1990s but his power base remains in Karachi, where he addresses fervent supporters via telephone over loudspeakers.
Yet Mr Reeve (interviewed in his ram suit while wartime melodies such as "We'll Meet Again" boomed from loudspeakers) also explained, earnestly, that Eurocrats were trying to build a European army and an electricity grid controlled in Brussels, so that in a few years Britain might not be able to leave the EU.
Loudspeakers are said to have broadcast the call to prayer across Park View's playground.
From early afternoon, Mexican rancheras blare out from the brothels' loudspeakers.
The farmers scattered leaflets in minibus taxis and went around with loudspeakers trying to recruit locals.
Over loudspeakers in department stores, reminders of special offers are being replaced by announcements of job openings.
In peril," boomed the voice of Peter O'Sullevan, doyen of racing commentators, over loudspeakers at 28 of these popular horse-races over the Easter weekend.
As soon as "Born Free", his campaign song, began to thunder from the loudspeakers ("Wild like an untamed stallion if you can't see my heart you must be blind") the candidate strode into the room, followed by a photogenic selection of family members and congressmen.
