Machito
... that during his United States Army service, Graciela replaced her foster brother Machito as the lead singer of his band, the Afro-Cubans?
... that during his <a href="./United_States_Army" id="mwAsk" rel="mw:WikiLink" title="United States Army">United States Army</a> service, <a href="./Graciela" id="mwAso" rel="mw:WikiLink" title="Graciela">Graciela</a> replaced her <a href="./Foster_care" id="mwAss" rel="mw:WikiLink" title="Foster care">foster</a> brother <b id="mwAsw"><a href="./Machito" id="mwAs0" rel="mw:WikiLink" title="Machito">Machito</a></b> <i id="mwAs4">(pictured)</i> as the lead singer of his band, the <a href="./Afro-Cubans_(band)" id="mwAs8" rel="mw:WikiLink" title="Afro-Cubans (band)">Afro-Cubans</a>?