Under the floodlights of a street football pitch dotted with cement-covered potholes, 69-year-old retiree Lilian Sek beams as she whacks a hollow orange plastic ball through the night sky in the southern neighbourhood of Telok Blangah in Singapore. Behind her, a laminated sign on the back of the court reads “Please lower your volume” and reminds players of the quiet hours between 10.30pm and 7am for those living in the public housing flats that overlook the court. Sek, a former administrative...