"Many fado houses have closed, others haven't reopened since the first lockdown... I don't have any money left for anything, and the subsidies, we've been forgotten, there are none," laments Sonia Santos, a singer plunged into disarray by the closure of most fado houses in Lisbon, a city under curfew deserted by tourists. Singers or musicians, known as "fadists" are bearing the brunt of the economic and social impact of the second wave of the coronavirus epidemic.