“In particular, one opportunity should not be lost in large scale re-development to create an urban environment in which the disturbing sources of noise are under control, so that there can be quiet conditions where quiet is needed for concentration and sleep and yet where the pleasurable sounds of active footsteps, conversation and laughter are not drowned by the noise of traffic.”

Chamberlin, Powell & Bon, Architects “Barbican Redevelopment” April 1959

There was one sound which Chamberlin, Powell & Bon did not think residents would find pleasurable, but they proposed to deal with this by “the choice of quiet acting sanitary fittings.”