<prompt> Ngwala tšwetšopele ya serapa se - Ka pukung ya Todd R. Decker ya 2014 ya Who Should Sing Ol Man River?: The Lives of an American Song, Decker o ngwadile gore letlakala la ka ntle la Brubeck à la mode le bontšha ... quartet e myemyelago e abelana di-ice cream sodas lefelong la go tšhela aesekerimi leo le nago le seswantšho se se phethagetšego. Decker o ngwadile ka moo sekhurumelo se beakanyago alepamo ka gare ga tlhalošo ya Tshepedišo ya Ditshwanelo tša Botho ya mehleng yeo; kudukudu Greensboro sit-ins  <response>: le go dula ga batho kua Nashville moo le gona go ilego gwa direga mafelong a go jela. 