Kuo laka hake he ta'u 'e 20 'a e 'omi 'e he Musicians On Call (MOC) 'a e ngaahi hiva mo'ui mo lekooti ki he tafa'aki mohenga 'o e kau mahaki 'i he ngaahi fale tauhi mo'ui. Kuo fakahoko ʻe he kau Mūsika Ngāue Tokoni ʻa e MOC ha ngaahi fakaʻaliʻali maʻá e kau mahaki, ngaahi fāmili mo e kau tauhi ʻoku laka hake ʻi he toko 800,000 ʻi he ngaahi falemahaki ʻi he fonuá. Ko e Musicians On Call ko e kautaha tu’ukimu’a ia ‘o e fonua ‘oku ne ‘oatu ‘a e ivi fakamo’ui ‘o e hiva, ‘o ne tauhi ‘a e kakai fakafo’ituitui ‘i he ngaahi fale ‘o kamata mei he ngaahi falemahaki ‘o e fanau ki he ngaahi fale ‘o e kakai lalahi, ngaahi falemahaki VA mo e ngaahi fale tauhi mahaki.