She established a special relationship with audiences at the Teatro Colón in Buenos Aires, where she first appeared in June 1919 (in Catalani's Loreley).
Claudia Schiffer | Claudia Cardinale | Claudia Pechstein | Claudia Winkleman | Claudia Gerini | Claudia Roth | Giovanni Muzio | Claudia Karvan | Claudia Jordan | Claudia Jones | Claudia Fontaine | Claudia Acuña | Claudia Reyes | Claudia Hiersche | Claudia | Via Claudia Nova | Muzio Sforza | ''Muzio Attendolo'' | Italian cruiser Muzio Attendolo | Colonia Claudia Ara Agrippinensium | Claudia Soberón | Claudia Rankine | Claudia Müller-Ebeling | Claudia Morgan | Claudia McNeil | Claudia Koll | Claudia Jung | Claudia Fritsche | Claudia Florenti | Claudia Cassidy |
Other famous twentieth-century singers to appear at Monte Carlo included Titta Ruffo, Geraldine Farrar, Mary Garden, Tito Schipa, Beniamino Gigli, Claudia Muzio, Georges Thill, Lily Pons, and Mary McCormic.