Royal Navy | Naples | Royal Air Force | Royal Dutch Shell | Royal Society | Royal Albert Hall | University of North Carolina at Chapel Hill | Royal Shakespeare Company | Royal Opera House | Royal Victorian Order | Royal Engineers | Royal Australian Navy | Royal National Theatre | Royal Canadian Navy | Royal Canadian Air Force | Royal Court Theatre | Chapel Hill, North Carolina | Royal Marines | Royal Commission | Royal Academy of Music | Anne, Princess Royal | Royal Philharmonic Orchestra | Theatre Royal, Drury Lane | Royal Flying Corps | Royal Canadian Mounted Police | Royal Australian Air Force | Royal Artillery | Royal Festival Hall | Royal College of Art | Royal Botanic Gardens, Kew |
Recognized as a talented violinist and teacher, Marchitelli took the role of first violin in the most prestigious musical institutions in Naples: the Chapel Royal of Naples and the orchestra of the Teatro San Bartolomeo.